How to use the roosterjs-editor-core.Keys.SPACE function in roosterjs-editor-core

shouldHandleEvent: (event, editor) => {
        let li = cacheGetElementAtCursor(editor, event, 'LI');
        return !event.rawEvent.shiftKey && li && isNodeEmpty(li);
    },
    handleEvent: (event, editor) => {
        editor.performAutoComplete(() => toggleListAndPreventDefault(event, editor));
    },
};

/**
 * AutoBullet edit feature, provides the ablility to automatically convert current line into a list.
 * When user input "1. ", convert into a numbering list
 * When user input "- " or "* ", convert into a bullet list
 */
export const AutoBullet: ContentEditFeature = {
    keys: [Keys.SPACE],
    shouldHandleEvent: (event, editor) => {
        if (!cacheGetListElement(event, editor)) {
            let searcher = cacheGetContentSearcher(event, editor);
            let textBeforeCursor = searcher.getSubStringBefore(3);

            // Auto list is triggered if:
            // 1. Text before cursor exactly mathces '*', '-' or '1.'
            // 2. There's no non-text inline entities before cursor
            return (
                ['*', '-', '1.'].indexOf(textBeforeCursor) >= 0 &&
                !searcher.getNearestNonTextInlineElement()
            );
        }
        return false;
    },
    handleEvent: (event, editor) => {

Keys,
} from 'roosterjs-editor-core';

/**
 * When user type, they may end a link with a puncatuation, i.e. www.bing.com;
 * we need to trim off the trailing puncatuation before turning it to link match
 */
const TRAILING_PUNCTUATION_REGEX = /[.+=\s:;"',>]+$/i;
const MINIMUM_LENGTH = 5;

/**
 * AutoLink edit feature, provides the ability to automatically convert text user typed or pasted
 * in hyperlink format into a real hyperlink
 */
export const AutoLink: GenericContentEditFeature = {
    keys: [Keys.ENTER, Keys.SPACE, Keys.CONTENTCHANGED],
    shouldHandleEvent: cacheGetLinkData,
    handleEvent: autoLink,
};

/**
 * UnlinkWhenBackspaceAfterLink edit feature, provides the ability to convert a hyperlink back into text
 * if user presses BACKSPACE right after a hyperlink
 */
export const UnlinkWhenBackspaceAfterLink: GenericContentEditFeature = {
    keys: [Keys.BACKSPACE],
    shouldHandleEvent: hasLinkBeforeCursor,
    handleEvent: (event, editor) => {
        event.rawEvent.preventDefault();
        removeLink(editor);
    },
};