src/vs/editor/contrib/linesOperations/browser/linesOperations.ts/TrimTrailingWhitespaceAction/constructor
class TrimTrailingWhitespaceAction:	constructor() {
		super({
			id: TrimTrailingWhitespaceAction.ID,
			label: nls.localize('lines.trimTrailingWhitespace', "Trim Trailing Whitespace"),
			alias: 'Trim Trailing Whitespace',
			precondition: EditorContextKeys.writable,
			kbOpts: {
				kbExpr: EditorContextKeys.editorTextFocus,
				primary: KeyChord(KeyMod.CtrlCmd | KeyCode.KeyK, KeyMod.CtrlCmd | KeyCode.KeyX),
				weight: KeybindingWeight.EditorContrib
			}
		});
	}