How to use the @wordpress/keycodes.rawShortcut.primary function in @wordpress/keycodes

onInit() {
		this.registerCustomFormatters();

		this.editor.shortcuts.add( rawShortcut.primary( 'k' ), '', () => this.changeFormats( { link: { isAdding: true } } ) );
		this.editor.shortcuts.add( rawShortcut.access( 'a' ), '', () => this.changeFormats( { link: { isAdding: true } } ) );
		this.editor.shortcuts.add( rawShortcut.access( 's' ), '', () => this.changeFormats( { link: undefined } ) );
		this.editor.shortcuts.add( rawShortcut.access( 'd' ), '', () => this.changeFormats( { strikethrough: ! this.state.formats.strikethrough } ) );
		this.editor.shortcuts.add( rawShortcut.access( 'x' ), '', () => this.changeFormats( { code: ! this.state.formats.code } ) );
		this.editor.shortcuts.add( rawShortcut.primary( 'z' ), '', 'Undo' );
		this.editor.shortcuts.add( rawShortcut.primaryShift( 'z' ), '', 'Redo' );

		// Remove TinyMCE Core shortcut for consistency with global editor
		// shortcuts. Also clashes with Mac browsers.
		this.editor.shortcuts.remove( 'meta+y', '', 'Redo' );
	}

onInit() {
		this.registerCustomFormatters();

		this.editor.shortcuts.add( rawShortcut.primary( 'k' ), '', () => this.changeFormats( { link: { isAdding: true } } ) );
		this.editor.shortcuts.add( rawShortcut.access( 'a' ), '', () => this.changeFormats( { link: { isAdding: true } } ) );
		this.editor.shortcuts.add( rawShortcut.access( 's' ), '', () => this.changeFormats( { link: undefined } ) );
		this.editor.shortcuts.add( rawShortcut.access( 'd' ), '', () => this.changeFormats( { strikethrough: ! this.state.formats.strikethrough } ) );
		this.editor.shortcuts.add( rawShortcut.access( 'x' ), '', () => this.changeFormats( { code: ! this.state.formats.code } ) );
		this.editor.shortcuts.add( rawShortcut.primary( 'z' ), '', 'Undo' );
		this.editor.shortcuts.add( rawShortcut.primaryShift( 'z' ), '', 'Redo' );

		// Remove TinyMCE Core shortcut for consistency with global editor
		// shortcuts. Also clashes with Mac browsers.
		this.editor.shortcuts.remove( 'meta+y', '', 'Redo' );
	}

onInit () {
    this.registerCustomFormatters();

    this.editor.shortcuts.add(rawShortcut.primary('k'), '', () => this.changeFormats({ link: { isAdding: true } }));
    this.editor.shortcuts.add(rawShortcut.access('a'), '', () => this.changeFormats({ link: { isAdding: true } }));
    this.editor.shortcuts.add(rawShortcut.access('s'), '', () => this.changeFormats({ link: undefined }));
    this.editor.shortcuts.add(rawShortcut.access('d'), '', () => this.changeFormats({ strikethrough: ! this.state.formats.strikethrough }));
    this.editor.shortcuts.add(rawShortcut.access('x'), '', () => this.changeFormats({ code: ! this.state.formats.code }));
    this.editor.shortcuts.add(rawShortcut.primary('z'), '', 'Undo');
    this.editor.shortcuts.add(rawShortcut.primaryShift('z'), '', 'Redo');

    // Remove TinyMCE Core shortcut for consistency with global editor
    // shortcuts. Also clashes with Mac browsers.
    this.editor.shortcuts.remove('meta+y', '', 'Redo');
  }

onInit () {
    this.registerCustomFormatters();

    this.editor.shortcuts.add(rawShortcut.primary('k'), '', () => this.changeFormats({ link: { isAdding: true } }));
    this.editor.shortcuts.add(rawShortcut.access('a'), '', () => this.changeFormats({ link: { isAdding: true } }));
    this.editor.shortcuts.add(rawShortcut.access('s'), '', () => this.changeFormats({ link: undefined }));
    this.editor.shortcuts.add(rawShortcut.access('d'), '', () => this.changeFormats({ strikethrough: ! this.state.formats.strikethrough }));
    this.editor.shortcuts.add(rawShortcut.access('x'), '', () => this.changeFormats({ code: ! this.state.formats.code }));
    this.editor.shortcuts.add(rawShortcut.primary('z'), '', 'Undo');
    this.editor.shortcuts.add(rawShortcut.primaryShift('z'), '', 'Redo');

    // Remove TinyMCE Core shortcut for consistency with global editor
    // shortcuts. Also clashes with Mac browsers.
    this.editor.shortcuts.remove('meta+y', '', 'Redo');
  }

/**
 * WordPress dependencies
 */
import { rawShortcut } from '@wordpress/keycodes';
import { KeyboardShortcuts } from '@wordpress/components';

/**
 * Set of keyboard shortcuts handled internally by RichText.
 *
 * @type {Array}
 */
const HANDLED_SHORTCUTS = [
	rawShortcut.primary( 'z' ),
	rawShortcut.primaryShift( 'z' ),
	rawShortcut.primary( 'y' ),
];

/**
 * An instance of a KeyboardShortcuts element pre-bound for the handled
 * shortcuts. Since shortcuts never change, the element can be considered
 * static, and can be skipped in reconciliation.
 *
 * @type {WPElement}
 */
const SHORTCUTS_ELEMENT = (
	 {
			return [ shortcut, ( event ) => event.preventDefault() ];
		} ) ) }
	/>

*/
import { fromPairs } from 'lodash';

/**
 * WordPress dependencies
 */
import { rawShortcut } from '@wordpress/keycodes';
import { KeyboardShortcuts } from '@wordpress/components';

/**
 * Set of keyboard shortcuts handled internally by RichText.
 *
 * @type {Array}
 */
const HANDLED_SHORTCUTS = [
	rawShortcut.primary( 'z' ),
	rawShortcut.primaryShift( 'z' ),
	rawShortcut.primary( 'y' ),
];

/**
 * An instance of a KeyboardShortcuts element pre-bound for the handled
 * shortcuts. Since shortcuts never change, the element can be considered
 * static, and can be skipped in reconciliation.
 *
 * @type {WPElement}
 */
const SHORTCUTS_ELEMENT = (
	 {
			return [ shortcut, ( event ) => event.preventDefault() ];