src/vs/workbench/api/common/extHostLanguageFeatures.ts/ExtHostLanguageFeatures/$provideDocumentColors
class ExtHostLanguageFeatures:	$provideDocumentColors(handle: number, resource: UriComponents, token: CancellationToken): Promise<extHostProtocol.IRawColorInfo[]> {
		return this._withAdapter(handle, ColorProviderAdapter, adapter => adapter.provideColors(URI.revive(resource), token), [], token);
	}