import type { BaseEndpointOptions } from '@navios/builder';
import type { HandlerMetadata } from '@navios/core';
import type { FastifyReply, FastifyRequest } from 'fastify';
import { AbstractHandlerAdapterService, type ArgumentGetter } from '@navios/core';
/**
 * Abstract base class for Fastify handler adapters.
 *
 * Provides shared argument parsing logic for Fastify:
 * - Query parameters via request.query
 * - Request body via request.body
 * - URL parameters via request.params
 *
 * Concrete adapters (Endpoint, Stream) implement response handling
 * via createStaticHandler and createDynamicHandler.
 *
 * @typeParam TConfig - Endpoint configuration type
 */
export declare abstract class AbstractFastifyHandlerAdapterService<TConfig extends BaseEndpointOptions = BaseEndpointOptions> extends AbstractHandlerAdapterService<FastifyRequest, FastifyReply, TConfig> {
    /**
     * Creates argument getters for Fastify request parsing.
     *
     * Handles:
     * - Query params: Extracts from request.query (pre-validated by Fastify)
     * - Request body: Extracts from request.body (pre-validated by Fastify)
     * - URL params: Extracts route parameters from request.params
     */
    protected createArgumentGetters(handlerMetadata: HandlerMetadata<TConfig>): ArgumentGetter<FastifyRequest>[];
    /**
     * Checks if the handler has any validation schemas defined.
     *
     * @param handlerMetadata - The handler metadata containing configuration.
     * @returns `true` if the handler has request, query, or error schemas.
     */
    hasSchema(handlerMetadata: HandlerMetadata<TConfig>): boolean;
    /**
     * Provides Fastify schema information for the handler.
     *
     * Creates a Fastify route schema object that includes request body and
     * query string schemas. This enables Fastify's built-in validation.
     *
     * @param handlerMetadata - The handler metadata containing configuration and schemas.
     * @returns A Fastify route schema object.
     */
    provideSchema(handlerMetadata: HandlerMetadata<TConfig>): Record<string, any>;
}
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