/**
 * getParameterByName
 */
export declare function getParameterByName(name: string, url?: string): string;
export declare function log(...msg: any[]): void;
export declare function checkEnvironment(): boolean;
/**
 * This method has side effect,
 * it will alter the obj passed in
 */
export declare function createArrayWhenEmpty<T>(obj: {
    [key: string]: T[];
}, name: string): void;
export declare function delayExecution(func: () => any, delay?: number): void;