4775207e51
Add map-like entity that handles importing/exporting wasm entities as they are needed across modules. Expands the Exportable interface to support this functionality since these are the entities that can be shared across modules. Change-Id: Iefc9320af48c36ea039355a573943c9dbcc4ed8a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/383222 Reviewed-by: Martin Kustermann <kustermann@google.com> Commit-Queue: Nate Biggs <natebiggs@google.com>