export type ValueType = null | undefined | Function | symbol | bigint | number | boolean | string;
export type ObjectType = Record<string | number | symbol, unknown>;
export type TypedArrayType = Int8Array | Uint8Array | Uint8ClampedArray | Int16Array | Uint16Array | Int32Array | Uint32Array | Float32Array | Float64Array | BigInt64Array | BigUint64Array;
export type ArrayType = unknown[];
export declare namespace ValueGuard {
    function IsObject(value: unknown): value is ObjectType;
    function IsDate(value: unknown): value is Date;
    function IsArray(value: unknown): value is ArrayType;
    function IsValueType(value: unknown): value is ValueType;
    function IsTypedArray(value: unknown): value is TypedArrayType;
    function HasPropertyKey<K extends PropertyKey>(value: Record<any, unknown>, key: K): value is ObjectType & Record<K, unknown>;
    function IsUndefined(value: unknown): value is undefined;
    function IsString(value: unknown): value is string;
    function IsNumber(value: unknown): value is number;
    function IsBoolean(value: unknown): value is boolean;
    function IsBigInt(value: unknown): value is bigint;
    function IsSymbol(value: unknown): value is symbol;
}