type ValueResolver<T> = T | ((prevPayload: T) => T);
declare const validators: {
    isClient(): boolean;
    isString(value: unknown): value is string;
    isNumber(value: unknown): value is number;
    isArray(value: unknown): value is Array<unknown>;
    isFunction(value: unknown): value is Function;
    isObject(value: unknown): value is Record<string, unknown>;
    isDate(value: unknown): value is Date;
    isNull(value: unknown): value is null;
    isBoolean(value: unknown): value is boolean;
    isSameType(value1: unknown, value2: unknown): boolean;
    getType(value: unknown): string;
    validateTypeConsistency(value1: unknown, value2: unknown): void;
    resolveValue<T>(newPayload: ValueResolver<T>, prevPayload: T): T;
};
declare class MatchError extends Error {
    constructor(message: string);
}
export { validators, MatchError };