src/vs/workbench/api/common/extHostLanguageFeatures.ts/CompletionsAdapter/constructor
class CompletionsAdapter:	constructor(
		private readonly _documents: ExtHostDocuments,
		private readonly _commands: CommandsConverter,
		private readonly _provider: vscode.CompletionItemProvider,
		private readonly _apiDeprecation: IExtHostApiDeprecationService,
		private readonly _extension: IExtensionDescription,
	) { }