import { FormField, FormData, ValidationResult } from "./types";
export declare class FormValidator {
    /**
     * Validates a single field against its configuration
     */
    validateField(field: FormField, value: any, formData: FormData): ValidationResult;
    /**
     * Validates entire form data against field configurations
     */
    validateForm(fields: FormField[], formData: FormData): ValidationResult;
    /**
     * Checks if a field should be validated based on dependencies
     */
    private shouldValidateField;
    /**
     * Validates a single validation rule
     */
    private validateRule;
    /**
     * Evaluates a field condition
     */
    private evaluateCondition;
    /**
     * Checks if a value is considered empty
     */
    private isEmpty;
    /**
     * Gets validation error message for a specific field
     */
    getFieldError(field: FormField, formData: FormData): string | null;
    /**
     * Checks if a field is visible based on dependencies
     */
    isFieldVisible(field: FormField, formData: FormData): boolean;
    /**
     * Gets all visible fields for current form data
     */
    getVisibleFields(fields: FormField[], formData: FormData): FormField[];
    /**
     * Validates only visible fields
     */
    validateVisibleFields(fields: FormField[], formData: FormData): ValidationResult;
    /**
     * Real-time validation for form changes
     */
    validateOnChange(fields: FormField[], formData: FormData, changedField: string): {
        fieldValidation: ValidationResult;
        formValidation: ValidationResult;
        affectedFields: string[];
    };
}
export declare const formValidator: FormValidator;
export declare const ValidationHelpers: {
    /**
     * Validates numeric input with optional min/max
     */
    validateNumber(value: any, min?: number, max?: number): ValidationResult;
    /**
     * Validates required field
     */
    validateRequired(value: any, fieldName: string): ValidationResult;
    /**
     * Validates conditional requirement
     */
    validateConditional(condition: boolean, value: any, fieldName: string): ValidationResult;
};