export declare class _KvU64 {
    readonly value: bigint;
    constructor(value: bigint);
    sum(other: {
        readonly value: bigint;
    }): _KvU64;
    min(other: {
        readonly value: bigint;
    }): _KvU64;
    max(other: {
        readonly value: bigint;
    }): _KvU64;
}