import { PROPERTY_TYPE } from "./commont";
export declare namespace NullUtils {
    function uint8ArrayEqual(buf1: Uint8Array, buf2: Uint8Array): boolean;
    const AllNullValueUint8Array: {
        int32: Uint8Array;
        datetime: Uint8Array;
        uint32: Uint8Array;
        int64: Uint8Array;
        timestamp: Uint8Array;
        uint64: Uint8Array;
        float: Uint8Array;
        double: Uint8Array;
        decimal: Uint8Array;
        string: Uint8Array;
        bool: Uint8Array;
        blob: Uint8Array;
        point: Uint8Array;
        text: Uint8Array;
        list: Uint8Array;
        map: Uint8Array;
        set: Uint8Array;
    };
    const nullValue: (type: PROPERTY_TYPE) => Uint8Array;
    const isNullValueByBytes: (v: Uint8Array, type: PROPERTY_TYPE) => boolean;
}