import StandardEditor from './standard';
/**
 * CRUD editor for undefined values.
 */
export default class UndefinedEditor extends StandardEditor {
    /**
     * Get the number of characters the value should display.
     *
     * @param {Boolean} editMode - If the element is being edited.
     *
     * @returns {Number} The number of characters.
     */
    size(): number;
    /**
     * Get the value being edited.
     *
     * @returns {Object} The value.
     */
    value(): 'undefined';
}
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