import type { FieldContext, ValidationFields, ValidationMessages, MessagesProviderContact } from '../types.js';
/**
 * Default messages provider that performs message lookup using key-value pairs.
 * Provides internationalization and custom error message support for validation.
 * Supports field-specific messages, wildcard patterns, and placeholder interpolation.
 *
 * @example
 * const provider = new SimpleMessagesProvider({
 *   'required': 'The {{ field }} field is required',
 *   'email': 'The {{ field }} field must be a valid email',
 *   'user.email.required': 'Email address is required'
 * }, {
 *   'user.email': 'Email Address'
 * })
 */
export declare class SimpleMessagesProvider implements MessagesProviderContact {
    #private;
    /**
     * Creates a new SimpleMessagesProvider instance.
     *
     * @param messages - Map of validation rule names to error message templates
     * @param fields - Optional map of field paths to human-readable names
     *
     * @example
     * new SimpleMessagesProvider({
     *   'required': 'The {{ field }} field is required'
     * }, {
     *   'user_name': 'Username'
     * })
     */
    constructor(messages: ValidationMessages, fields?: ValidationFields);
    /**
     * Returns a validation error message for a given field and rule.
     * Uses a priority-based lookup system to find the most specific message.
     *
     * Priority order:
     * 1. Field-specific messages (e.g., 'user.email.required')
     * 2. Wildcard path messages (e.g., '*.email.required')
     * 3. Generic rule messages (e.g., 'required')
     * 4. Fallback to raw message
     *
     * @param rawMessage - The default raw message from the validation rule
     * @param rule - The name of the validation rule that failed
     * @param field - Context information about the field being validated
     * @param args - Additional arguments to interpolate into the message
     * @returns Formatted and interpolated error message
     *
     * @example
     * // With field-specific message
     * provider.getMessage('Required', 'required', fieldContext, {})
     * // Returns: "Email address is required" (if field-specific message exists)
     *
     * // With rule arguments
     * provider.getMessage('Min length', 'minLength', fieldContext, { min: 5 })
     * // Returns: "The username must be at least 5 characters"
     */
    getMessage(rawMessage: string, rule: string, field: FieldContext, args?: Record<string, any>): string;
    /**
     * Serializes the messages provider to a JSON-compatible object.
     * Useful for debugging, logging, or transferring configuration.
     *
     * @returns Object containing messages and field mappings
     *
     * @example
     * const config = provider.toJSON()
     * console.log(config)
     * // { messages: { required: "..." }, fields: { user_name: "Username" } }
     */
    toJSON(): {
        messages: ValidationMessages;
        fields: ValidationFields;
    };
}