export default class FastRandomIterator {
    strideSize: number;
    indexStrides: (boolean | number[])[];
    arraySize: number;
    iteratorIndex: number;
    indexList: number[];
    sparseSet: Set<number>;
    constructor(arraySize: number, par?: number, strideSize?: number);
    debugGetMode(): string;
    debugForceSparse(): void;
    getNextIndex(): number;
}