src/vs/editor/common/commands/surroundSelectionCommand.ts/CompositionSurroundSelectionCommand/getEditOperations
class CompositionSurroundSelectionCommand:	public getEditOperations(model: ITextModel, builder: IEditOperationBuilder): void {
		builder.addTrackedEditOperation(new Range(
			this._position.lineNumber,
			this._position.column,
			this._position.lineNumber,
			this._position.column
		), this._text + this._charAfter);
	}