src/vs/workbench/api/common/extHostLanguageFeatures.ts/ExtHostLanguageFeatures/registerSelectionRangeProvider
class ExtHostLanguageFeatures:	registerSelectionRangeProvider(extension: IExtensionDescription, selector: vscode.DocumentSelector, provider: vscode.SelectionRangeProvider): vscode.Disposable {
		const handle = this._addNewAdapter(new SelectionRangeAdapter(this._documents, provider, this._logService), extension);
		this._proxy.$registerSelectionRangeProvider(handle, this._transformDocumentSelector(selector));
		return this._createDisposable(handle);
	}