import * as yup from 'yup';
import { UnwrapPromise } from './types';
export type YupSchema<Result = unknown, Context = unknown> = yup.Schema<Result, Context>;
export type YupSchemaResult<S extends yup.Schema<unknown, unknown>> = UnwrapPromise<ReturnType<S['validate']>>;
export declare class YupUtils {
    static isPositiveInteger: yup.NumberSchema<number | undefined, object>;
    static isPort: yup.NumberSchema<number | undefined, object>;
    static isPercent: yup.NumberSchema<number | undefined, object>;
    static isUrl: yup.StringSchema<string | undefined, object>;
    static currency: (options?: {
        min?: bigint;
    }) => yup.StringSchema;
    static tryValidate<S extends YupSchema>(schema: S, value: unknown, options?: yup.ValidateOptions<unknown>): Promise<{
        result: YupSchemaResult<S>;
        error: null;
    } | {
        result: null;
        error: yup.ValidationError;
    }>;
    static tryValidateSync<S extends YupSchema>(schema: S, value: unknown, options?: yup.ValidateOptions<unknown>): {
        result: YupSchemaResult<S>;
        error: null;
    } | {
        result: null;
        error: yup.ValidationError;
    };
    static union<T extends object | null | undefined = object | undefined, U extends object | null | undefined = object | undefined>(schema: yup.ObjectSchema<T>, append: yup.ObjectSchema<U>): yup.ObjectSchema<T & U>;
}
//# sourceMappingURL=yup.d.ts.map