Add explicit type to generated LSP classes == operators

Change-Id: I42f76c8d48329fed93821a17da71963eaa813d4f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128161
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Danny Tuppeny <dantup@google.com>

pkg/analysis_server/lib/lsp_protocol/protocol_custom_generated.dart

@@ -74,7 +74,7 @@ class AnalyzerStatusParams implements ToJsonable {
   }
 
   @override
-  bool operator ==(other) {
+  bool operator ==(Object other) {
     if (other is AnalyzerStatusParams) {
       return isAnalyzing == other.isAnalyzing && true;
     }
@@ -164,7 +164,7 @@ class ClosingLabel implements ToJsonable {
   }
 
   @override
-  bool operator ==(other) {
+  bool operator ==(Object other) {
     if (other is ClosingLabel) {
       return range == other.range && label == other.label && true;
     }
@@ -353,7 +353,7 @@ class CompletionItemResolutionInfo implements ToJsonable {
   }
 
   @override
-  bool operator ==(other) {
+  bool operator ==(Object other) {
     if (other is CompletionItemResolutionInfo) {
       return file == other.file &&
           offset == other.offset &&
@@ -431,7 +431,7 @@ class DartDiagnosticServer implements ToJsonable {
   }
 
   @override
-  bool operator ==(other) {
+  bool operator ==(Object other) {
     if (other is DartDiagnosticServer) {
       return port == other.port && true;
     }
@@ -544,7 +544,7 @@ class Element implements ToJsonable {
   }
 
   @override
-  bool operator ==(other) {
+  bool operator ==(Object other) {
     if (other is Element) {
       return range == other.range &&
           name == other.name &&
@@ -686,7 +686,7 @@ class Outline implements ToJsonable {
   }
 
   @override
-  bool operator ==(other) {
+  bool operator ==(Object other) {
     if (other is Outline) {
       return element == other.element &&
           range == other.range &&
@@ -789,7 +789,7 @@ class PublishClosingLabelsParams implements ToJsonable {
   }
 
   @override
-  bool operator ==(other) {
+  bool operator ==(Object other) {
     if (other is PublishClosingLabelsParams) {
       return uri == other.uri &&
           listEqual(labels, other.labels,
@@ -885,7 +885,7 @@ class PublishOutlineParams implements ToJsonable {
   }
 
   @override
-  bool operator ==(other) {
+  bool operator ==(Object other) {
     if (other is PublishOutlineParams) {
       return uri == other.uri && outline == other.outline && true;
     }

pkg/analysis_server/tool/lsp_spec/codegen_dart.dart

@@ -346,7 +346,7 @@ void _writeEnumClass(IndentableStringBuffer buffer, Namespace namespace) {
     ..writeIndentedln('@override get hashCode => _value.hashCode;')
     ..writeln()
     ..writeIndentedln(
-        'bool operator ==(o) => o is ${namespace.name} && o._value == _value;')
+        'bool operator ==(Object o) => o is ${namespace.name} && o._value == _value;')
     ..outdent()
     ..writeln('}')
     ..writeln();
@@ -355,7 +355,7 @@ void _writeEnumClass(IndentableStringBuffer buffer, Namespace namespace) {
 void _writeEquals(IndentableStringBuffer buffer, Interface interface) {
   buffer
     ..writeIndentedln('@override')
-    ..writeIndentedln('bool operator ==(other) {')
+    ..writeIndentedln('bool operator ==(Object other) {')
     ..indent()
     ..writeIndentedln('if (other is ${interface.name}) {')
     ..indent()