/**
 * Checks whether a value is an instance of Connection.
 *
 * @param value
 *
 * @return
 */
export function isConnection(value: any): boolean;
/**
 * Checks whether a value is an instance of Label.
 *
 * @param value
 *
 * @return
 */
export function isLabel(value: any): boolean;
/**
 * Checks whether a value is an instance of Root.
 *
 * @param value
 *
 * @return
 */
export function isRoot(value: any): boolean;