/**
 * console.log() wrapper.
 * Logging is enabled in dev mode only.
 */
export declare namespace DevLogger {
    /**
     * Returns true if logging is enabled.
     *   (For now, DevLogger logging is enabled if the app is running in dev mode.)
     */
    function isLoggable(): boolean;
    /**
     * Logs the message if the app is running in dev mode.
     * Uses console.log().
     *
     * @param message log message string or object.
     */
    function log(message: string): any;
    function log(message: string, sub1: (any | null)): any;
    function log(message: string, sub1: (any | null), sub2: (any | null)): any;
    function log(obj0: any): any;
    function log(obj0: any, obj1: (any | null)): any;
    function log(obj0: any, obj1: (any | null), obj2: (any | null)): any;
    /**
     * Logs the message if the app is running in dev mode.
     * Uses console.info().
     *
     * @param message info message string or object.
     */
    function info(message: string): any;
    function info(message: string, sub1: (any | null)): any;
    function info(message: string, sub1: (any | null), sub2: (any | null)): any;
    function info(obj0: any): any;
    function info(obj0: any, obj1: (any | null)): any;
    function info(obj0: any, obj1: (any | null), obj2: (any | null)): any;
    /**
     * Logs the warning message using console.warn().
     *
     * @param message warn message string or object.
     */
    function warn(message: string): any;
    function warn(message: string, sub1: (any | null)): any;
    function warn(message: string, sub1: (any | null), sub2: (any | null)): any;
    function warn(obj0: any): any;
    function warn(obj0: any, obj1: (any | null)): any;
    function warn(obj0: any, obj1: (any | null), obj2: (any | null)): any;
    /**
     * Logs the error message using console.error().
     *
     * @param message error message string or object.
     */
    function error(message: string): any;
    function error(message: string, sub1: (any | null)): any;
    function error(message: string, sub1: (any | null), sub2: (any | null)): any;
    function error(obj0: any): any;
    function error(obj0: any, obj1: (any | null)): any;
    function error(obj0: any, obj1: (any | null), obj2: (any | null)): any;
}