export declare function loadJSON(url: string, callback: any): void;
export declare function loadEmbeddedURL(url: string, callback: any): void;
export declare function loadCustomURL(url: string, callback: any): void;
export declare function mod(n: number, m: number): number;
export declare function argMax(array: number[]): number;
export declare function mean(array: number[]): number;
export declare function saveAs(content: string, name: string): void;
export declare function readDump(dump: any, callback: any): void;
export declare function shuffleArray(array: number[]): number[];
export interface KeyBoard {
    [key: string]: any;
}
export declare function keyboard(keyCode: any): KeyBoard;