export default appData;
declare namespace appData {
    /**
     * Get a value from app data, same as get in \@sitevision/api/server/appData.
     * @param {string} key - The key of app data to retrieve.
     * @param {...string} [properties] - The keys of the properties to retrieve from a JCR Node.
     * @returns {unknown} The value of the app data or a properties of a JCR Node.
     */
    function get(key: string, ...properties?: string[]): unknown;
    /**
     * Get a value from app data as an array, same as getArray in \@sitevision/api/server/appData.
     * @param {string} key - The key of app data to retrieve.
     * @returns {import('@sitevision/api/types/javax/jcr/Node').Node[] | string[]} An array of JCR
     * Nodes for list components or value wrapped in an array for single type components.
     */
    function getArray(key: string): string[] | import("@sitevision/api/types/javax/jcr/Node").Node[];
    /**
     * Get a string value from app data.
     * @param {string} key - The key of app data to retrieve.
     * @returns {string | undefined} The string value or undefined if not set.
     */
    function getString(key: string): string | undefined;
    /**
     * Get a boolean value from app data.
     * @param {string} key - The key of app data to retrieve.
     * @returns {boolean | undefined} The boolean value or undefined if not set.
     */
    function getBoolean(key: string): boolean | undefined;
    /**
     * Get a number value from app data.
     * @param {string} key - The key of app data to retrieve.
     * @returns {number | undefined} The number value, undefined if not set or not a number.
     */
    function getNumber(key: string): number | undefined;
    /**
     * Get an array of nodes from app data.
     * @param {string} key - The key of app data to retrieve.
     * @returns {import('@sitevision/api/types/javax/jcr/Node').Node[]} The array of nodes or an
     * empty array if not set.
     */
    function getNodes(key: string): import("@sitevision/api/types/javax/jcr/Node").Node[];
    /**
     * Get an array of strings from app data.
     * @param {string} key - The key of app data to retrieve.
     * @returns {string[]} The array of strings or an empty array if not set.
     */
    function getStrings(key: string): string[];
    /**
     * Get a JCR Node from app data.
     * @param {string} key - The key of the property to retrieve.
     * @returns {import('@sitevision/api/types/javax/jcr/Node').Node | undefined} The JCR Node or
     * undefined if not set.
     */
    function getNode(key: string): import("@sitevision/api/types/javax/jcr/Node").Node;
    /**
     * Get a string property from a JCR Node referenced in app data.
     * @param {string} key - The key of the app data value.
     * @param {string} property - The property to retrieve from the node.
     * @returns {string | undefined} The string property value or undefined if not set.
     */
    function getStringProperty(key: string, property: string): string | undefined;
    /**
     * Get a string array property or a single string wrapped in an array from a JCR Node referenced
     * in app data.
     * @param {string} key - The key of app data to retrieve.
     * @param {string} property - The property to retrieve from the node.
     * @returns {string[]} The array of strings or an empty array if not set.
     */
    function getStringsProperty(key: string, property: string): string[];
    /**
     * Get a boolean property from a JCR Node referenced in app data.
     * @param {string} key - The key of the app data value.
     * @param {string} property - The property to retrieve from the node.
     * @returns {boolean | undefined} The boolean property value or undefined if not set.
     */
    function getBooleanProperty(key: string, property: string): boolean | undefined;
    /**
     * Get a number property from a JCR Node referenced in app data.
     * @param {string} key - The key of the app data value.
     * @param {string} property - The property to retrieve from the node.
     * @returns {number | undefined} The number property value, undefined if not set or not a number.
     */
    function getNumberProperty(key: string, property: string): number | undefined;
}