2d67574d61
Changes `refChild` to `child` to match parameter name and makes `insertAllBefore` consistent with `insertBefore`. Also adds a description of behavior given a null `child`. Fixes: https://github.com/dart-lang/sdk/issues/46603 Change-Id: I280306018ee16fa9088d55110ef502f49ed1d66a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/219122 Reviewed-by: Srujan Gaddam <srujzs@google.com> Commit-Queue: Riley Porter <rileyporter@google.com>