import { IGuardOptions } from './core/guard';
import { ArrayGuard } from './guards/array.guard';
import { BooleanGuard } from './guards/boolean.guard';
import { ClassGuard } from './guards/class.guard';
import { DateStringGuard } from './guards/date-string.guard';
import { NilGuard } from './guards/nil.guard';
import { NumberGuard } from './guards/number.guard';
import { StringGuard } from './guards/string.guard';
export declare class Tyr {
    /**
     * @returns A new instance of ArrayGuard.
     */
    static array(options?: IGuardOptions): ArrayGuard;
    /**
     * @returns A new instance of BooleanGuard.
     */
    static boolean(): BooleanGuard;
    /**
     * @returns A new instance of ClassGuard.
     */
    static class(): ClassGuard;
    /**
     * @returns A new instance of DateStringGuard.
     */
    static dateString(options?: IGuardOptions): DateStringGuard;
    /**
     * @returns A new instance of NilGuard.
     */
    static nil(): NilGuard;
    /**
     * @returns A new instance of NumberGuard.
     */
    static number(options?: IGuardOptions): NumberGuard;
    /**
     * @returns A new instance of StringGuard.
     */
    static string(options?: IGuardOptions): StringGuard;
}