src/vs/workbench/api/common/extHostLanguageFeatures.ts/ExtHostLanguageFeatures/$provideReferences
class ExtHostLanguageFeatures:	$provideReferences(handle: number, resource: UriComponents, position: IPosition, context: modes.ReferenceContext, token: CancellationToken): Promise<modes.Location[] | undefined> {
		return this._withAdapter(handle, ReferenceAdapter, adapter => adapter.provideReferences(URI.revive(resource), position, context, token), undefined);
	}