/** A subset of {0, 1, ..., 59}. */
export declare class Bitset {
    private static readonly max;
    /** This is a (max + 1)-bit integer. */
    readonly data: bigint;
    constructor(data: bigint);
    static from(set: Iterable<number>): Bitset;
    entries(): Generator<number>;
    count(): number;
    equals(other: Bitset): boolean;
}
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