interface IdleDeadline {
    readonly didTimeout: boolean;
    readonly timeRemaining: () => number;
}
declare interface Window {
    requestIdleCallback: (cb: (idleDeadline: IdleDeadline) => void, options?: {
        timeout?: number;
    }) => number;
    cancelIdleCallback: (handle: number) => void;
    SparkMD5: SparkMD5;
}
declare type JsArrayBuffer = ArrayBuffer;
declare class SparkMD5 {
    constructor();
    static hash(str: string, raw?: boolean): string;
    static hashBinary(content: string, raw?: boolean): string;
    append(str: string): SparkMD5;
    appendBinary(contents: string): SparkMD5;
    destroy(): void;
    end(raw?: boolean): string;
    getState(): SparkMD5.State;
    reset(): SparkMD5;
    setState(state: SparkMD5.State): SparkMD5.State;
}
declare namespace SparkMD5 {
    interface State {
        buff: Uint8Array;
        hash: number[];
        length: number;
    }
    class ArrayBuffer {
        constructor();
        static hash(arr: JsArrayBuffer, raw?: boolean): string;
        append(str: JsArrayBuffer): ArrayBuffer;
        destroy(): void;
        end(raw?: boolean): string;
        getState(): State;
        reset(): ArrayBuffer;
        setState(state: State): State;
    }
}
declare type Nullable<T> = T | null;
declare module '*.json' {
    const val: any;
    export default val;
}