src/vs/workbench/api/common/extHostLanguageFeatures.ts/ExtHostLanguageFeatures/registerInlineCompletionsProvider
class ExtHostLanguageFeatures:	registerInlineCompletionsProvider(extension: IExtensionDescription, selector: vscode.DocumentSelector, provider: vscode.InlineCompletionItemProvider): vscode.Disposable {
		const handle = this._addNewAdapter(new InlineCompletionAdapter(this._documents, provider, this._commands.converter), extension);
		this._proxy.$registerInlineCompletionsSupport(handle, this._transformDocumentSelector(selector));
		return this._createDisposable(handle);
	}