diff --git a/sdk/lib/_internal/fix_data.yaml b/sdk/lib/_internal/fix_data.yaml
index baf52a48613..7f87843c7b5 100644
--- a/sdk/lib/_internal/fix_data.yaml
+++ b/sdk/lib/_internal/fix_data.yaml
@@ -489,3 +489,1690 @@ transforms:
     changes:
       - kind: 'rename'
         newName: 'networkConnectTimeoutError'
+
+  - title: "Rename to 'invalidParams'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:developer' ]
+      field: 'kInvalidParams'
+      inClass: 'ServiceExtensionResponse'
+    changes:
+      - kind: 'rename'
+        newName: 'invalidParams'
+
+  - title: "Rename to 'extensionError'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:developer' ]
+      field: 'kExtensionError'
+      inClass: 'ServiceExtensionResponse'
+    changes:
+      - kind: 'rename'
+        newName: 'extensionError'
+
+  - title: "Rename to 'extensionErrorMax'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:developer' ]
+      field: 'kExtensionErrorMax'
+      inClass: 'ServiceExtensionResponse'
+    changes:
+      - kind: 'rename'
+        newName: 'extensionErrorMax'
+
+  - title: "Rename to 'extensionErrorMin'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:developer' ]
+      field: 'kExtensionErrorMin'
+      inClass: 'ServiceExtensionResponse'
+    changes:
+      - kind: 'rename'
+        newName: 'extensionErrorMin'
+
+  - title: "Rename to 'systemEncoding'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      variable: 'SYSTEM_ENCODING'
+    changes:
+      - kind: 'rename'
+        newName: 'systemEncoding'
+
+  - title: "Rename to 'terminal'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'TERMINAL'
+      inClass: 'StdioType'
+    changes:
+      - kind: 'rename'
+        newName: 'terminal'
+
+  - title: "Rename to 'pipe'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'PIPE'
+      inClass: 'StdioType'
+    changes:
+      - kind: 'rename'
+        newName: 'pipe'
+
+  - title: "Rename to 'file'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'FILE'
+      inClass: 'StdioType'
+    changes:
+      - kind: 'rename'
+        newName: 'file'
+
+  - title: "Rename to 'other'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'OTHER'
+      inClass: 'StdioType'
+    changes:
+      - kind: 'rename'
+        newName: 'other'
+
+  - title: "Rename to 'normal'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'NORMAL'
+      inClass: 'ProcessStartMode'
+    changes:
+      - kind: 'rename'
+        newName: 'normal'
+
+  - title: "Rename to 'inheritStdio'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'INHERIT_STDIO'
+      inClass: 'ProcessStartMode'
+    changes:
+      - kind: 'rename'
+        newName: 'inheritStdio'
+
+  - title: "Rename to 'detached'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'DETACHED'
+      inClass: 'ProcessStartMode'
+    changes:
+      - kind: 'rename'
+        newName: 'detached'
+
+  - title: "Rename to 'detachedWithStdio'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'DETACHED_WITH_STDIO'
+      inClass: 'ProcessStartMode'
+    changes:
+      - kind: 'rename'
+        newName: 'detachedWithStdio'
+
+  - title: "Rename to 'sighup'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGHUP'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sighup'
+
+  - title: "Rename to 'sigint'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGINT'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigint'
+
+  - title: "Rename to 'sigquit'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGQUIT'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigquit'
+
+  - title: "Rename to 'sigill'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGILL'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigill'
+
+  - title: "Rename to 'sigtrap'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGTRAP'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigtrap'
+
+  - title: "Rename to 'sigabrt'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGABRT'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigabrt'
+
+  - title: "Rename to 'sigbus'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGBUS'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigbus'
+
+  - title: "Rename to 'sigfpe'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGFPE'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigfpe'
+
+  - title: "Rename to 'sigkill'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGKILL'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigkill'
+
+  - title: "Rename to 'sigusr1'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGUSR1'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigusr1'
+
+  - title: "Rename to 'sigsegv'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGSEGV'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigsegv'
+
+  - title: "Rename to 'sigusr2'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGUSR2'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigusr2'
+
+  - title: "Rename to 'sigpipe'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGPIPE'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigpipe'
+
+  - title: "Rename to 'sigalrm'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGALRM'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigalrm'
+
+  - title: "Rename to 'sigterm'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGTERM'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigterm'
+
+  - title: "Rename to 'sigchld'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGCHLD'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigchld'
+
+  - title: "Rename to 'sigcont'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGCONT'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigcont'
+
+  - title: "Rename to 'sigstop'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGSTOP'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigstop'
+
+  - title: "Rename to 'sigtstp'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGTSTP'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigtstp'
+
+  - title: "Rename to 'sigttin'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGTTIN'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigttin'
+
+  - title: "Rename to 'sigttou'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGTTOU'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigttou'
+
+  - title: "Rename to 'sigurg'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGURG'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigurg'
+
+  - title: "Rename to 'sigxcpu'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGXCPU'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigxcpu'
+
+  - title: "Rename to 'sigxfsz'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGXFSZ'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigxfsz'
+
+  - title: "Rename to 'sigvtalrm'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGVTALRM'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigvtalrm'
+
+  - title: "Rename to 'sigprof'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGPROF'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigprof'
+
+  - title: "Rename to 'sigwinch'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGWINCH'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigwinch'
+
+  - title: "Rename to 'sigpoll'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGPOLL'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigpoll'
+
+  - title: "Rename to 'sigsys'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SIGSYS'
+      inClass: 'ProcessSignal'
+    changes:
+      - kind: 'rename'
+        newName: 'sigsys'
+
+  - title: "Rename to 'IPv4'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'IP_V4'
+      inClass: 'InternetAddressType'
+    changes:
+      - kind: 'rename'
+        newName: 'IPv4'
+
+  - title: "Rename to 'IPv6'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'IP_V6'
+      inClass: 'InternetAddressType'
+    changes:
+      - kind: 'rename'
+        newName: 'IPv6'
+
+  - title: "Rename to 'any'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ANY'
+      inClass: 'InternetAddressType'
+    changes:
+      - kind: 'rename'
+        newName: 'any'
+
+  - title: "Rename to 'loopbackIPv4'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'LOOPBACK_IP_V4'
+      inClass: 'InternetAddress'
+    changes:
+      - kind: 'rename'
+        newName: 'loopbackIPv4'
+
+  - title: "Rename to 'loopbackIPv6'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'LOOPBACK_IP_V6'
+      inClass: 'InternetAddress'
+    changes:
+      - kind: 'rename'
+        newName: 'loopbackIPv6'
+
+  - title: "Rename to 'anyIPv4'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ANY_IP_V4'
+      inClass: 'InternetAddress'
+    changes:
+      - kind: 'rename'
+        newName: 'anyIPv4'
+
+  - title: "Rename to 'anyIPv6'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ANY_IP_V6'
+      inClass: 'InternetAddress'
+    changes:
+      - kind: 'rename'
+        newName: 'anyIPv6'
+
+  - title: "Rename to 'receive'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'RECEIVE'
+      inClass: 'SocketDirection'
+    changes:
+      - kind: 'rename'
+        newName: 'receive'
+
+  - title: "Rename to 'send'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SEND'
+      inClass: 'SocketDirection'
+    changes:
+      - kind: 'rename'
+        newName: 'send'
+
+  - title: "Rename to 'both'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'BOTH'
+      inClass: 'SocketDirection'
+    changes:
+      - kind: 'rename'
+        newName: 'both'
+
+  - title: "Rename to 'tcpNoDelay'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'TCP_NODELAY'
+      inClass: 'SocketOption'
+    changes:
+      - kind: 'rename'
+        newName: 'tcpNoDelay'
+
+  - title: "Rename to 'read'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'READ'
+      inClass: 'RawSocketEvent'
+    changes:
+      - kind: 'rename'
+        newName: 'read'
+
+  - title: "Rename to 'write'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'WRITE'
+      inClass: 'RawSocketEvent'
+    changes:
+      - kind: 'rename'
+        newName: 'write'
+
+  - title: "Rename to 'readClosed'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'READ_CLOSED'
+      inClass: 'RawSocketEvent'
+    changes:
+      - kind: 'rename'
+        newName: 'readClosed'
+
+  - title: "Rename to 'closed'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CLOSED'
+      inClass: 'RawSocketEvent'
+    changes:
+      - kind: 'rename'
+        newName: 'closed'
+
+  - title: "Rename to 'file'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'FILE'
+      inClass: 'FileSystemEntityType'
+    changes:
+      - kind: 'rename'
+        newName: 'file'
+
+  - title: "Rename to 'directory'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'DIRECTORY'
+      inClass: 'FileSystemEntityType'
+    changes:
+      - kind: 'rename'
+        newName: 'directory'
+
+  - title: "Rename to 'link'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'LINK'
+      inClass: 'FileSystemEntityType'
+    changes:
+      - kind: 'rename'
+        newName: 'link'
+
+  - title: "Rename to 'notFound'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'NOT_FOUND'
+      inClass: 'FileSystemEntityType'
+    changes:
+      - kind: 'rename'
+        newName: 'notFound'
+
+  - title: "Rename to 'create'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CREATE'
+      inClass: 'FileSystemEvent'
+    changes:
+      - kind: 'rename'
+        newName: 'create'
+
+  - title: "Rename to 'modify'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'MODIFY'
+      inClass: 'FileSystemEvent'
+    changes:
+      - kind: 'rename'
+        newName: 'modify'
+
+  - title: "Rename to 'delete'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'DELETE'
+      inClass: 'FileSystemEvent'
+    changes:
+      - kind: 'rename'
+        newName: 'delete'
+
+  - title: "Rename to 'move'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'MOVE'
+      inClass: 'FileSystemEvent'
+    changes:
+      - kind: 'rename'
+        newName: 'move'
+
+  - title: "Rename to 'all'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ALL'
+      inClass: 'FileSystemEvent'
+    changes:
+      - kind: 'rename'
+        newName: 'all'
+
+  - title: "Rename to 'minWindowBits'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'MIN_WINDOW_BITS'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'minWindowBits'
+
+  - title: "Rename to 'maxWindowBits'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'MAX_WINDOW_BITS'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'maxWindowBits'
+
+  - title: "Rename to 'defaultWindowBits'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'DEFAULT_WINDOW_BITS'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'defaultWindowBits'
+
+  - title: "Rename to 'minLevel'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'MIN_LEVEL'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'minLevel'
+
+  - title: "Rename to 'maxLevel'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'MAX_LEVEL'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'maxLevel'
+
+  - title: "Rename to 'defaultLevel'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'DEFAULT_LEVEL'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'defaultLevel'
+
+  - title: "Rename to 'minMemLevel'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'MIN_MEM_LEVEL'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'minMemLevel'
+
+  - title: "Rename to 'maxMemLevel'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'MAX_MEM_LEVEL'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'maxMemLevel'
+
+  - title: "Rename to 'defaultMemLevel'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'DEFAULT_MEM_LEVEL'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'defaultMemLevel'
+
+  - title: "Rename to 'strategyFiltered'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'STRATEGY_FILTERED'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'strategyFiltered'
+
+  - title: "Rename to 'strategyHuffmanOnly'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'STRATEGY_HUFFMAN_ONLY'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'strategyHuffmanOnly'
+
+  - title: "Rename to 'strategyRle'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'STRATEGY_RLE'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'strategyRle'
+
+  - title: "Rename to 'strategyFixed'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'STRATEGY_FIXED'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'strategyFixed'
+
+  - title: "Rename to 'strategyDefault'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'STRATEGY_DEFAULT'
+      inClass: 'ZLibOption'
+    changes:
+      - kind: 'rename'
+        newName: 'strategyDefault'
+
+  - title: "Rename to 'zlib'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      variable: 'ZLIB'
+    changes:
+      - kind: 'rename'
+        newName: 'zlib'
+
+  - title: "Rename to 'gzip'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      variable: 'GZIP'
+    changes:
+      - kind: 'rename'
+        newName: 'gzip'
+
+  - title: "Rename to 'read'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'READ'
+      inClass: 'FileMode'
+    changes:
+      - kind: 'rename'
+        newName: 'read'
+
+  - title: "Rename to 'write'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'WRITE'
+      inClass: 'FileMode'
+    changes:
+      - kind: 'rename'
+        newName: 'write'
+
+  - title: "Rename to 'append'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'APPEND'
+      inClass: 'FileMode'
+    changes:
+      - kind: 'rename'
+        newName: 'append'
+
+  - title: "Rename to 'writeOnly'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'WRITE_ONLY'
+      inClass: 'FileMode'
+    changes:
+      - kind: 'rename'
+        newName: 'writeOnly'
+
+  - title: "Rename to 'writeOnlyAppend'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'WRITE_ONLY_APPEND'
+      inClass: 'FileMode'
+    changes:
+      - kind: 'rename'
+        newName: 'writeOnlyAppend'
+
+  - title: "Rename to 'shared'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SHARED'
+      inClass: 'FileLock'
+    changes:
+      - kind: 'rename'
+        newName: 'shared'
+
+  - title: "Rename to 'exclusive'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'EXCLUSIVE'
+      inClass: 'FileLock'
+    changes:
+      - kind: 'rename'
+        newName: 'exclusive'
+
+  - title: "Rename to 'blockingShared'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'BLOCKING_SHARED'
+      inClass: 'FileLock'
+    changes:
+      - kind: 'rename'
+        newName: 'blockingShared'
+
+  - title: "Rename to 'blockingExclusive'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'BLOCKING_EXCLUSIVE'
+      inClass: 'FileLock'
+    changes:
+      - kind: 'rename'
+        newName: 'blockingExclusive'
+
+  - title: "Rename to 'normalClosure'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'NORMAL_CLOSURE'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'normalClosure'
+
+  - title: "Rename to 'goingAway'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'GOING_AWAY'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'goingAway'
+
+  - title: "Rename to 'protocolError'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'PROTOCOL_ERROR'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'protocolError'
+
+  - title: "Rename to 'unsupportedData'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'UNSUPPORTED_DATA'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'unsupportedData'
+
+  - title: "Rename to 'reserved1004'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'RESERVED_1004'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'reserved1004'
+
+  - title: "Rename to 'noStatusReceived'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'NO_STATUS_RECEIVED'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'noStatusReceived'
+
+  - title: "Rename to 'abnormalClosure'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ABNORMAL_CLOSURE'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'abnormalClosure'
+
+  - title: "Rename to 'invalidFramePayloadData'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'INVALID_FRAME_PAYLOAD_DATA'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'invalidFramePayloadData'
+
+  - title: "Rename to 'policyViolation'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'POLICY_VIOLATION'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'policyViolation'
+
+  - title: "Rename to 'messageTooBig'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'MESSAGE_TOO_BIG'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'messageTooBig'
+
+  - title: "Rename to 'missingMandatoryExtension'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'MISSING_MANDATORY_EXTENSION'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'missingMandatoryExtension'
+
+  - title: "Rename to 'internalServerError'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'INTERNAL_SERVER_ERROR'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'internalServerError'
+
+  - title: "Rename to 'reserved1015'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'RESERVED_1015'
+      inClass: 'WebSocketStatus'
+    changes:
+      - kind: 'rename'
+        newName: 'reserved1015'
+
+  - title: "Rename to 'compressionDefault'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'DEFAULT'
+      inClass: 'CompressionOptions'
+    changes:
+      - kind: 'rename'
+        newName: 'compressionDefault'
+
+  - title: "Rename to 'compressionOff'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'OFF'
+      inClass: 'CompressionOptions'
+    changes:
+      - kind: 'rename'
+        newName: 'compressionOff'
+
+  - title: "Rename to 'connecting'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CONNECTING'
+      inClass: 'WebSocket'
+    changes:
+      - kind: 'rename'
+        newName: 'connecting'
+
+  - title: "Rename to 'open'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'OPEN'
+      inClass: 'WebSocket'
+    changes:
+      - kind: 'rename'
+        newName: 'open'
+
+  - title: "Rename to 'closing'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CLOSING'
+      inClass: 'WebSocket'
+    changes:
+      - kind: 'rename'
+        newName: 'closing'
+
+  - title: "Rename to 'closed'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CLOSED'
+      inClass: 'WebSocket'
+    changes:
+      - kind: 'rename'
+        newName: 'closed'
+
+  - title: "Rename to 'acceptHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ACCEPT'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'acceptHeader'
+
+  - title: "Rename to 'acceptCharsetHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ACCEPT_CHARSET'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'acceptCharsetHeader'
+
+  - title: "Rename to 'acceptEncodingHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ACCEPT_ENCODING'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'acceptEncodingHeader'
+
+  - title: "Rename to 'acceptLanguageHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ACCEPT_LANGUAGE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'acceptLanguageHeader'
+
+  - title: "Rename to 'acceptRangesHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ACCEPT_RANGES'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'acceptRangesHeader'
+
+  - title: "Rename to 'ageHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'AGE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'ageHeader'
+
+  - title: "Rename to 'allowHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ALLOW'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'allowHeader'
+
+  - title: "Rename to 'authorizationHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'AUTHORIZATION'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'authorizationHeader'
+
+  - title: "Rename to 'cacheControlHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CACHE_CONTROL'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'cacheControlHeader'
+
+  - title: "Rename to 'connectionHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CONNECTION'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'connectionHeader'
+
+  - title: "Rename to 'contentEncodingHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CONTENT_ENCODING'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'contentEncodingHeader'
+
+  - title: "Rename to 'contentLanguageHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CONTENT_LANGUAGE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'contentLanguageHeader'
+
+  - title: "Rename to 'contentLengthHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CONTENT_LENGTH'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'contentLengthHeader'
+
+  - title: "Rename to 'contentLocationHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CONTENT_LOCATION'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'contentLocationHeader'
+
+  - title: "Rename to 'contentMD5Header'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CONTENT_MD5'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'contentMD5Header'
+
+  - title: "Rename to 'contentRangeHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CONTENT_RANGE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'contentRangeHeader'
+
+  - title: "Rename to 'contentTypeHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'CONTENT_TYPE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'contentTypeHeader'
+
+  - title: "Rename to 'dateHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'DATE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'dateHeader'
+
+  - title: "Rename to 'etagHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ETAG'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'etagHeader'
+
+  - title: "Rename to 'expectHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'EXPECT'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'expectHeader'
+
+  - title: "Rename to 'expiresHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'EXPIRES'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'expiresHeader'
+
+  - title: "Rename to 'fromHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'FROM'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'fromHeader'
+
+  - title: "Rename to 'hostHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'HOST'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'hostHeader'
+
+  - title: "Rename to 'ifMatchHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'IF_MATCH'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'ifMatchHeader'
+
+  - title: "Rename to 'ifModifiedSinceHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'IF_MODIFIED_SINCE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'ifModifiedSinceHeader'
+
+  - title: "Rename to 'ifNoneMatchHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'IF_NONE_MATCH'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'ifNoneMatchHeader'
+
+  - title: "Rename to 'ifRangeHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'IF_RANGE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'ifRangeHeader'
+
+  - title: "Rename to 'ifUnmodifiedSinceHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'IF_UNMODIFIED_SINCE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'ifUnmodifiedSinceHeader'
+
+  - title: "Rename to 'lastModifiedHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'LAST_MODIFIED'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'lastModifiedHeader'
+
+  - title: "Rename to 'locationHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'LOCATION'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'locationHeader'
+
+  - title: "Rename to 'maxForwardsHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'MAX_FORWARDS'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'maxForwardsHeader'
+
+  - title: "Rename to 'pragmaHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'PRAGMA'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'pragmaHeader'
+
+  - title: "Rename to 'proxyAuthenticateHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'PROXY_AUTHENTICATE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'proxyAuthenticateHeader'
+
+  - title: "Rename to 'proxyAuthorizationHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'PROXY_AUTHORIZATION'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'proxyAuthorizationHeader'
+
+  - title: "Rename to 'rangeHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'RANGE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'rangeHeader'
+
+  - title: "Rename to 'refererHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'REFERER'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'refererHeader'
+
+  - title: "Rename to 'retryAfterHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'RETRY_AFTER'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'retryAfterHeader'
+
+  - title: "Rename to 'serverHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SERVER'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'serverHeader'
+
+  - title: "Rename to 'teHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'TE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'teHeader'
+
+  - title: "Rename to 'trailerHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'TRAILER'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'trailerHeader'
+
+  - title: "Rename to 'transferEncodingHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'TRANSFER_ENCODING'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'transferEncodingHeader'
+
+  - title: "Rename to 'upgradeHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'UPGRADE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'upgradeHeader'
+
+  - title: "Rename to 'userAgentHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'USER_AGENT'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'userAgentHeader'
+
+  - title: "Rename to 'varyHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'VARY'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'varyHeader'
+
+  - title: "Rename to 'viaHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'VIA'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'viaHeader'
+
+  - title: "Rename to 'warningHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'WARNING'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'warningHeader'
+
+  - title: "Rename to 'wwwAuthenticateHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'WWW_AUTHENTICATE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'wwwAuthenticateHeader'
+
+  - title: "Rename to 'cookieHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'COOKIE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'cookieHeader'
+
+  - title: "Rename to 'setCookieHeader'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'SET_COOKIE'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'setCookieHeader'
+
+  - title: "Rename to 'generalHeaders'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'GENERAL_HEADERS'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'generalHeaders'
+
+  - title: "Rename to 'entityHeaders'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'ENTITY_HEADERS'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'entityHeaders'
+
+  - title: "Rename to 'responseHeaders'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'RESPONSE_HEADERS'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'responseHeaders'
+
+  - title: "Rename to 'requestHeaders'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'REQUEST_HEADERS'
+      inClass: 'HttpHeaders'
+    changes:
+      - kind: 'rename'
+        newName: 'requestHeaders'
+
+  - title: "Rename to 'text'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'TEXT'
+      inClass: 'ContentType'
+    changes:
+      - kind: 'rename'
+        newName: 'text'
+
+  - title: "Rename to 'html'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'HTML'
+      inClass: 'ContentType'
+    changes:
+      - kind: 'rename'
+        newName: 'html'
+
+  - title: "Rename to 'json'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'JSON'
+      inClass: 'ContentType'
+    changes:
+      - kind: 'rename'
+        newName: 'json'
+
+  - title: "Rename to 'binary'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'BINARY'
+      inClass: 'ContentType'
+    changes:
+      - kind: 'rename'
+        newName: 'binary'
+
+  - title: "Rename to 'defaultHttpPort'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'DEFAULT_HTTP_PORT'
+      inClass: 'HttpClient'
+    changes:
+      - kind: 'rename'
+        newName: 'defaultHttpPort'
+
+  - title: "Rename to 'defaultHttpsPort'"
+    date: 2021-09-20
+    element:
+      uris: [ 'dart:io' ]
+      field: 'DEFAULT_HTTPS_PORT'
+      inClass: 'HttpClient'
+    changes:
+      - kind: 'rename'
+        newName: 'defaultHttpsPort'
diff --git a/tests/lib/fix_data_tests/developer.dart b/tests/lib/fix_data_tests/developer.dart
new file mode 100644
index 00000000000..a9dc42b180a
--- /dev/null
+++ b/tests/lib/fix_data_tests/developer.dart
@@ -0,0 +1,12 @@
+// Copyright (c) 2021, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:developer';
+
+void main() {
+  print(ServiceExtensionResponse.kInvalidParams);
+  print(ServiceExtensionResponse.kExtensionError);
+  print(ServiceExtensionResponse.kExtensionErrorMax);
+  print(ServiceExtensionResponse.kExtensionErrorMin);
+}
diff --git a/tests/lib/fix_data_tests/developer.dart.expect b/tests/lib/fix_data_tests/developer.dart.expect
new file mode 100644
index 00000000000..6f4d9d59d9b
--- /dev/null
+++ b/tests/lib/fix_data_tests/developer.dart.expect
@@ -0,0 +1,12 @@
+// Copyright (c) 2021, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:developer';
+
+void main() {
+  print(ServiceExtensionResponse.invalidParams);
+  print(ServiceExtensionResponse.extensionError);
+  print(ServiceExtensionResponse.extensionErrorMax);
+  print(ServiceExtensionResponse.extensionErrorMin);
+}
diff --git a/tests/lib/fix_data_tests/io.dart b/tests/lib/fix_data_tests/io.dart
index c43ec2157f9..7a2970481c4 100644
--- a/tests/lib/fix_data_tests/io.dart
+++ b/tests/lib/fix_data_tests/io.dart
@@ -53,4 +53,169 @@ void main() {
   print(HttpStatus.GATEWAY_TIMEOUT);
   print(HttpStatus.HTTP_VERSION_NOT_SUPPORTED);
   print(HttpStatus.NETWORK_CONNECT_TIMEOUT_ERROR);
+  print(SYSTEM_ENCODING);
+  print(StdioType.TERMINAL);
+  print(StdioType.PIPE);
+  print(StdioType.FILE);
+  print(StdioType.OTHER);
+  print(ProcessStartMode.NORMAL);
+  print(ProcessStartMode.INHERIT_STDIO);
+  print(ProcessStartMode.DETACHED);
+  print(ProcessStartMode.DETACHED_WITH_STDIO);
+  print(ProcessSignal.SIGHUP);
+  print(ProcessSignal.SIGINT);
+  print(ProcessSignal.SIGQUIT);
+  print(ProcessSignal.SIGILL);
+  print(ProcessSignal.SIGTRAP);
+  print(ProcessSignal.SIGABRT);
+  print(ProcessSignal.SIGBUS);
+  print(ProcessSignal.SIGFPE);
+  print(ProcessSignal.SIGKILL);
+  print(ProcessSignal.SIGUSR1);
+  print(ProcessSignal.SIGSEGV);
+  print(ProcessSignal.SIGUSR2);
+  print(ProcessSignal.SIGPIPE);
+  print(ProcessSignal.SIGALRM);
+  print(ProcessSignal.SIGTERM);
+  print(ProcessSignal.SIGCHLD);
+  print(ProcessSignal.SIGCONT);
+  print(ProcessSignal.SIGSTOP);
+  print(ProcessSignal.SIGTSTP);
+  print(ProcessSignal.SIGTTIN);
+  print(ProcessSignal.SIGTTOU);
+  print(ProcessSignal.SIGURG);
+  print(ProcessSignal.SIGXCPU);
+  print(ProcessSignal.SIGXFSZ);
+  print(ProcessSignal.SIGVTALRM);
+  print(ProcessSignal.SIGPROF);
+  print(ProcessSignal.SIGWINCH);
+  print(ProcessSignal.SIGPOLL);
+  print(ProcessSignal.SIGSYS);
+  print(InternetAddressType.IP_V4);
+  print(InternetAddressType.IP_V6);
+  print(InternetAddressType.ANY);
+  print(InternetAddress.LOOPBACK_IP_V4);
+  print(InternetAddress.LOOPBACK_IP_V6);
+  print(InternetAddress.ANY_IP_V4);
+  print(InternetAddress.ANY_IP_V6);
+  print(SocketDirection.RECEIVE);
+  print(SocketDirection.SEND);
+  print(SocketDirection.BOTH);
+  print(SocketOption.TCP_NODELAY);
+  print(RawSocketEvent.READ);
+  print(RawSocketEvent.WRITE);
+  print(RawSocketEvent.READ_CLOSED);
+  print(RawSocketEvent.CLOSED);
+  print(FileSystemEntityType.FILE);
+  print(FileSystemEntityType.DIRECTORY);
+  print(FileSystemEntityType.LINK);
+  print(FileSystemEntityType.NOT_FOUND);
+  print(FileSystemEvent.CREATE);
+  print(FileSystemEvent.MODIFY);
+  print(FileSystemEvent.DELETE);
+  print(FileSystemEvent.MOVE);
+  print(FileSystemEvent.ALL);
+  print(ZLibOption.MIN_WINDOW_BITS);
+  print(ZLibOption.MAX_WINDOW_BITS);
+  print(ZLibOption.DEFAULT_WINDOW_BITS);
+  print(ZLibOption.MIN_LEVEL);
+  print(ZLibOption.MAX_LEVEL);
+  print(ZLibOption.DEFAULT_LEVEL);
+  print(ZLibOption.MIN_MEM_LEVEL);
+  print(ZLibOption.MAX_MEM_LEVEL);
+  print(ZLibOption.DEFAULT_MEM_LEVEL);
+  print(ZLibOption.STRATEGY_FILTERED);
+  print(ZLibOption.STRATEGY_HUFFMAN_ONLY);
+  print(ZLibOption.STRATEGY_RLE);
+  print(ZLibOption.STRATEGY_FIXED);
+  print(ZLibOption.STRATEGY_DEFAULT);
+  print(ZLIB);
+  print(GZIP);
+  print(FileMode.READ);
+  print(FileMode.WRITE);
+  print(FileMode.APPEND);
+  print(FileMode.WRITE_ONLY);
+  print(FileMode.WRITE_ONLY_APPEND);
+  print(FileLock.SHARED);
+  print(FileLock.EXCLUSIVE);
+  print(FileLock.BLOCKING_SHARED);
+  print(FileLock.BLOCKING_EXCLUSIVE);
+  print(WebSocketStatus.NORMAL_CLOSURE);
+  print(WebSocketStatus.GOING_AWAY);
+  print(WebSocketStatus.PROTOCOL_ERROR);
+  print(WebSocketStatus.UNSUPPORTED_DATA);
+  print(WebSocketStatus.RESERVED_1004);
+  print(WebSocketStatus.NO_STATUS_RECEIVED);
+  print(WebSocketStatus.ABNORMAL_CLOSURE);
+  print(WebSocketStatus.INVALID_FRAME_PAYLOAD_DATA);
+  print(WebSocketStatus.POLICY_VIOLATION);
+  print(WebSocketStatus.MESSAGE_TOO_BIG);
+  print(WebSocketStatus.MISSING_MANDATORY_EXTENSION);
+  print(WebSocketStatus.INTERNAL_SERVER_ERROR);
+  print(WebSocketStatus.RESERVED_1015);
+  print(CompressionOptions.DEFAULT);
+  print(CompressionOptions.OFF);
+  print(WebSocket.CONNECTING);
+  print(WebSocket.OPEN);
+  print(WebSocket.CLOSING);
+  print(WebSocket.CLOSED);
+  print(HttpHeaders.ACCEPT);
+  print(HttpHeaders.ACCEPT_CHARSET);
+  print(HttpHeaders.ACCEPT_ENCODING);
+  print(HttpHeaders.ACCEPT_LANGUAGE);
+  print(HttpHeaders.ACCEPT_RANGES);
+  print(HttpHeaders.AGE);
+  print(HttpHeaders.ALLOW);
+  print(HttpHeaders.AUTHORIZATION);
+  print(HttpHeaders.CACHE_CONTROL);
+  print(HttpHeaders.CONNECTION);
+  print(HttpHeaders.CONTENT_ENCODING);
+  print(HttpHeaders.CONTENT_LANGUAGE);
+  print(HttpHeaders.CONTENT_LENGTH);
+  print(HttpHeaders.CONTENT_LOCATION);
+  print(HttpHeaders.CONTENT_MD5);
+  print(HttpHeaders.CONTENT_RANGE);
+  print(HttpHeaders.CONTENT_TYPE);
+  print(HttpHeaders.DATE);
+  print(HttpHeaders.ETAG);
+  print(HttpHeaders.EXPECT);
+  print(HttpHeaders.EXPIRES);
+  print(HttpHeaders.FROM);
+  print(HttpHeaders.HOST);
+  print(HttpHeaders.IF_MATCH);
+  print(HttpHeaders.IF_MODIFIED_SINCE);
+  print(HttpHeaders.IF_NONE_MATCH);
+  print(HttpHeaders.IF_RANGE);
+  print(HttpHeaders.IF_UNMODIFIED_SINCE);
+  print(HttpHeaders.LAST_MODIFIED);
+  print(HttpHeaders.LOCATION);
+  print(HttpHeaders.MAX_FORWARDS);
+  print(HttpHeaders.PRAGMA);
+  print(HttpHeaders.PROXY_AUTHENTICATE);
+  print(HttpHeaders.PROXY_AUTHORIZATION);
+  print(HttpHeaders.RANGE);
+  print(HttpHeaders.REFERER);
+  print(HttpHeaders.RETRY_AFTER);
+  print(HttpHeaders.SERVER);
+  print(HttpHeaders.TE);
+  print(HttpHeaders.TRAILER);
+  print(HttpHeaders.TRANSFER_ENCODING);
+  print(HttpHeaders.UPGRADE);
+  print(HttpHeaders.USER_AGENT);
+  print(HttpHeaders.VARY);
+  print(HttpHeaders.VIA);
+  print(HttpHeaders.WARNING);
+  print(HttpHeaders.WWW_AUTHENTICATE);
+  print(HttpHeaders.COOKIE);
+  print(HttpHeaders.SET_COOKIE);
+  print(HttpHeaders.GENERAL_HEADERS);
+  print(HttpHeaders.ENTITY_HEADERS);
+  print(HttpHeaders.RESPONSE_HEADERS);
+  print(HttpHeaders.REQUEST_HEADERS);
+  print(ContentType.TEXT);
+  print(ContentType.HTML);
+  print(ContentType.JSON);
+  print(ContentType.BINARY);
+  print(HttpClient.DEFAULT_HTTP_PORT);
+  print(HttpClient.DEFAULT_HTTPS_PORT);
 }
diff --git a/tests/lib/fix_data_tests/io.dart.expect b/tests/lib/fix_data_tests/io.dart.expect
index 8c95823d830..f26799ad324 100644
--- a/tests/lib/fix_data_tests/io.dart.expect
+++ b/tests/lib/fix_data_tests/io.dart.expect
@@ -53,4 +53,169 @@ void main() {
   print(HttpStatus.gatewayTimeout);
   print(HttpStatus.httpVersionNotSupported);
   print(HttpStatus.networkConnectTimeoutError);
+  print(systemEncoding);
+  print(StdioType.terminal);
+  print(StdioType.pipe);
+  print(StdioType.file);
+  print(StdioType.other);
+  print(ProcessStartMode.normal);
+  print(ProcessStartMode.inheritStdio);
+  print(ProcessStartMode.detached);
+  print(ProcessStartMode.detachedWithStdio);
+  print(ProcessSignal.sighup);
+  print(ProcessSignal.sigint);
+  print(ProcessSignal.sigquit);
+  print(ProcessSignal.sigill);
+  print(ProcessSignal.sigtrap);
+  print(ProcessSignal.sigabrt);
+  print(ProcessSignal.sigbus);
+  print(ProcessSignal.sigfpe);
+  print(ProcessSignal.sigkill);
+  print(ProcessSignal.sigusr1);
+  print(ProcessSignal.sigsegv);
+  print(ProcessSignal.sigusr2);
+  print(ProcessSignal.sigpipe);
+  print(ProcessSignal.sigalrm);
+  print(ProcessSignal.sigterm);
+  print(ProcessSignal.sigchld);
+  print(ProcessSignal.sigcont);
+  print(ProcessSignal.sigstop);
+  print(ProcessSignal.sigtstp);
+  print(ProcessSignal.sigttin);
+  print(ProcessSignal.sigttou);
+  print(ProcessSignal.sigurg);
+  print(ProcessSignal.sigxcpu);
+  print(ProcessSignal.sigxfsz);
+  print(ProcessSignal.sigvtalrm);
+  print(ProcessSignal.sigprof);
+  print(ProcessSignal.sigwinch);
+  print(ProcessSignal.sigpoll);
+  print(ProcessSignal.sigsys);
+  print(InternetAddressType.IPv4);
+  print(InternetAddressType.IPv6);
+  print(InternetAddressType.any);
+  print(InternetAddress.loopbackIPv4);
+  print(InternetAddress.loopbackIPv6);
+  print(InternetAddress.anyIPv4);
+  print(InternetAddress.anyIPv6);
+  print(SocketDirection.receive);
+  print(SocketDirection.send);
+  print(SocketDirection.both);
+  print(SocketOption.tcpNoDelay);
+  print(RawSocketEvent.read);
+  print(RawSocketEvent.write);
+  print(RawSocketEvent.readClosed);
+  print(RawSocketEvent.closed);
+  print(FileSystemEntityType.file);
+  print(FileSystemEntityType.directory);
+  print(FileSystemEntityType.link);
+  print(FileSystemEntityType.notFound);
+  print(FileSystemEvent.create);
+  print(FileSystemEvent.modify);
+  print(FileSystemEvent.delete);
+  print(FileSystemEvent.move);
+  print(FileSystemEvent.all);
+  print(ZLibOption.minWindowBits);
+  print(ZLibOption.maxWindowBits);
+  print(ZLibOption.defaultWindowBits);
+  print(ZLibOption.minLevel);
+  print(ZLibOption.maxLevel);
+  print(ZLibOption.defaultLevel);
+  print(ZLibOption.minMemLevel);
+  print(ZLibOption.maxMemLevel);
+  print(ZLibOption.defaultMemLevel);
+  print(ZLibOption.strategyFiltered);
+  print(ZLibOption.strategyHuffmanOnly);
+  print(ZLibOption.strategyRle);
+  print(ZLibOption.strategyFixed);
+  print(ZLibOption.strategyDefault);
+  print(zlib);
+  print(gzip);
+  print(FileMode.read);
+  print(FileMode.write);
+  print(FileMode.append);
+  print(FileMode.writeOnly);
+  print(FileMode.writeOnlyAppend);
+  print(FileLock.shared);
+  print(FileLock.exclusive);
+  print(FileLock.blockingShared);
+  print(FileLock.blockingExclusive);
+  print(WebSocketStatus.normalClosure);
+  print(WebSocketStatus.goingAway);
+  print(WebSocketStatus.protocolError);
+  print(WebSocketStatus.unsupportedData);
+  print(WebSocketStatus.reserved1004);
+  print(WebSocketStatus.noStatusReceived);
+  print(WebSocketStatus.abnormalClosure);
+  print(WebSocketStatus.invalidFramePayloadData);
+  print(WebSocketStatus.policyViolation);
+  print(WebSocketStatus.messageTooBig);
+  print(WebSocketStatus.missingMandatoryExtension);
+  print(WebSocketStatus.internalServerError);
+  print(WebSocketStatus.reserved1015);
+  print(CompressionOptions.compressionDefault);
+  print(CompressionOptions.compressionOff);
+  print(WebSocket.connecting);
+  print(WebSocket.open);
+  print(WebSocket.closing);
+  print(WebSocket.closed);
+  print(HttpHeaders.acceptHeader);
+  print(HttpHeaders.acceptCharsetHeader);
+  print(HttpHeaders.acceptEncodingHeader);
+  print(HttpHeaders.acceptLanguageHeader);
+  print(HttpHeaders.acceptRangesHeader);
+  print(HttpHeaders.ageHeader);
+  print(HttpHeaders.allowHeader);
+  print(HttpHeaders.authorizationHeader);
+  print(HttpHeaders.cacheControlHeader);
+  print(HttpHeaders.connectionHeader);
+  print(HttpHeaders.contentEncodingHeader);
+  print(HttpHeaders.contentLanguageHeader);
+  print(HttpHeaders.contentLengthHeader);
+  print(HttpHeaders.contentLocationHeader);
+  print(HttpHeaders.contentMD5Header);
+  print(HttpHeaders.contentRangeHeader);
+  print(HttpHeaders.contentTypeHeader);
+  print(HttpHeaders.dateHeader);
+  print(HttpHeaders.etagHeader);
+  print(HttpHeaders.expectHeader);
+  print(HttpHeaders.expiresHeader);
+  print(HttpHeaders.fromHeader);
+  print(HttpHeaders.hostHeader);
+  print(HttpHeaders.ifMatchHeader);
+  print(HttpHeaders.ifModifiedSinceHeader);
+  print(HttpHeaders.ifNoneMatchHeader);
+  print(HttpHeaders.ifRangeHeader);
+  print(HttpHeaders.ifUnmodifiedSinceHeader);
+  print(HttpHeaders.lastModifiedHeader);
+  print(HttpHeaders.locationHeader);
+  print(HttpHeaders.maxForwardsHeader);
+  print(HttpHeaders.pragmaHeader);
+  print(HttpHeaders.proxyAuthenticateHeader);
+  print(HttpHeaders.proxyAuthorizationHeader);
+  print(HttpHeaders.rangeHeader);
+  print(HttpHeaders.refererHeader);
+  print(HttpHeaders.retryAfterHeader);
+  print(HttpHeaders.serverHeader);
+  print(HttpHeaders.teHeader);
+  print(HttpHeaders.trailerHeader);
+  print(HttpHeaders.transferEncodingHeader);
+  print(HttpHeaders.upgradeHeader);
+  print(HttpHeaders.userAgentHeader);
+  print(HttpHeaders.varyHeader);
+  print(HttpHeaders.viaHeader);
+  print(HttpHeaders.warningHeader);
+  print(HttpHeaders.wwwAuthenticateHeader);
+  print(HttpHeaders.cookieHeader);
+  print(HttpHeaders.setCookieHeader);
+  print(HttpHeaders.generalHeaders);
+  print(HttpHeaders.entityHeaders);
+  print(HttpHeaders.responseHeaders);
+  print(HttpHeaders.requestHeaders);
+  print(ContentType.text);
+  print(ContentType.html);
+  print(ContentType.json);
+  print(ContentType.binary);
+  print(HttpClient.defaultHttpPort);
+  print(HttpClient.defaultHttpsPort);
 }