import type { ValidationError, VineValidator } from '@vinejs/vine';
import type { Infer, SchemaTypes, ErrorReporterContract, MessagesProviderContact } from '@vinejs/vine/types';
import type { HttpContext } from './main.ts';
import type { RequestValidationOptions } from '../../types/http.ts';
/**
 * Request validator for validating HTTP request data using VineJS validators.
 * This class provides a convenient way to validate request body, files, cookies,
 * headers, and URL parameters in AdonisJS applications.
 *
 * @example
 * ```ts
 * // Inside a controller method
 * const data = await request.validateUsing(createUserValidator, {
 *   messagesProvider: customMessages
 * })
 * ```
 */
export declare class RequestValidator {
    #private;
    constructor(ctx: HttpContext);
    /**
     * The error reporter method returns the error reporter
     * to use for reporting errors.
     *
     * You can use this function to pick a different error reporter
     * for each HTTP request
     */
    static errorReporter?: (_: HttpContext) => ErrorReporterContract;
    /**
     * The messages provider method returns the messages provider to use
     * finding custom error messages
     *
     * You can use this function to pick a different messages provider for
     * each HTTP request
     */
    static messagesProvider?: (_: HttpContext) => MessagesProviderContact;
    /**
     * Validate the current HTTP request data using a VineJS validator.
     * This method automatically includes request body, files, URL parameters,
     * headers, and cookies in the validation data.
     *
     * @param validator - VineJS validator instance
     * @param options - Optional validation options including custom error reporters and messages
     *
     * @example
     * ```ts
     * const createUserValidator = vine.compile(
     *   vine.object({
     *     email: vine.string().email(),
     *     name: vine.string().minLength(3)
     *   })
     * )
     *
     * const data = await request.validateUsing(createUserValidator, {
     *   errorReporter: () => vine.errors.SimpleErrorReporter,
     *   messagesProvider: customMessages
     * })
     * ```
     */
    validateUsing<Schema extends SchemaTypes, MetaData extends undefined | Record<string, any>>(validator: VineValidator<Schema, MetaData>, ...[options]: [undefined] extends MetaData ? [options?: RequestValidationOptions<MetaData> | undefined] : [options: RequestValidationOptions<MetaData>]): Promise<Infer<Schema>>;
    tryValidateUsing<Schema extends SchemaTypes, MetaData extends undefined | Record<string, any>>(validator: VineValidator<Schema, MetaData>, ...[options]: [undefined] extends MetaData ? [options?: RequestValidationOptions<MetaData> | undefined] : [options: RequestValidationOptions<MetaData>]): Promise<[ValidationError, null] | [null, Infer<Schema>]>;
}