import { FormConfig, PaymentProvider } from '../lib/types';
type ValidationRule = (value: any, params: any[]) => true | string;
export interface ValidationResult {
    isValid: boolean;
    errors: string[];
}
interface ValidateInput {
    name: string;
    validate: (bypass?: boolean) => ValidationResult;
    updateRule: (ruleString: string) => void;
    destroy: () => void;
}
export declare function updateValidationMessages(messages: Record<string, string>): false | undefined;
export declare class Validator {
    private rules;
    addRule(field: string, rule: ValidationRule): this;
    removeRule(field: string): this;
    clearRules(): this;
    validate(value: any, rules: string): ValidationResult;
}
export declare const ValidationRules: {
    required(value: any): string | true;
    minLength(value: string, params: any[]): string | true;
    email(value: string): string | true;
    expirationDate(value: string): string | true;
    card(value: string): string | true;
    luhn(value: string): string | true;
    length(value: string, params: any[]): string | true;
    min(value: string, params: any[]): string | true;
    phone(value: string): string | true;
    cpfCnpj(value: string): string | true;
};
export declare let validatorInstance: Validator | null;
export declare function validateInput(input: HTMLInputElement, options?: {
    validateOnBlur?: boolean;
    onValidate?: (result: ValidationResult) => void;
}): ValidateInput;
export declare function checkboxValidation(input: HTMLInputElement, result: ValidationResult): void;
export declare function inputValidation(input: HTMLInputElement, result: ValidationResult): void;
export declare function validateForm(params: {
    providerKey: PaymentProvider;
    config: FormConfig;
    skipBillingFields?: boolean;
    validations: Record<string, ReturnType<typeof validateInput>>;
}): {
    isValid: boolean;
    errors: {
        name: string;
        result: ValidationResult;
    }[];
};
export declare function detectAndValidateForm(params: {
    config: FormConfig;
    validations: Record<string, ReturnType<typeof validateInput>>;
}): PaymentProvider;
export {};