src/vs/editor/contrib/parameterHints/browser/parameterHints.ts/TriggerParameterHintsAction/constructor
class TriggerParameterHintsAction:	constructor() {
		super({
			id: 'editor.action.triggerParameterHints',
			label: nls.localize('parameterHints.trigger.label', "Trigger Parameter Hints"),
			alias: 'Trigger Parameter Hints',
			precondition: EditorContextKeys.hasSignatureHelpProvider,
			kbOpts: {
				kbExpr: EditorContextKeys.editorTextFocus,
				primary: KeyMod.CtrlCmd | KeyMod.Shift | KeyCode.Space,
				weight: KeybindingWeight.EditorContrib
			}
		});
	}