/**
 * Body Size Limit Middleware
 *
 * Prevents DoS via memory exhaustion by enforcing request body size limits.
 * - 1MB for standard API endpoints (tasks, learnings, runs)
 * - 5MB for spec batch ingestion endpoints (raw framework output)
 * - 10MB for sync endpoints (bulk data import/export)
 *
 * Uses two mechanisms:
 * 1. Content-Length header check for early rejection (fast path)
 * 2. MaxBodySize context for safety during body parsing (handles chunked encoding)
 */
import { HttpServerRequest, HttpServerResponse } from "@effect/platform";
import { Effect } from "effect";
/** Default body size limit: 1MB */
export declare const DEFAULT_MAX_BYTES: number;
/** Sync endpoint body size limit: 10MB */
export declare const SYNC_MAX_BYTES: number;
/** Spec batch endpoint body size limit: 5MB */
export declare const SPEC_BATCH_MAX_BYTES: number;
/**
 * Get the max body size limit based on the request path.
 * Sync endpoints get a higher limit (10MB) since they handle bulk data.
 * Spec batch endpoint gets 5MB for framework-native payloads.
 * All other endpoints get 1MB.
 * @internal Exported for testing.
 */
export declare const getMaxBytes: (url: string) => number;
/**
 * Body size limit middleware.
 *
 * Rejects requests with Content-Length exceeding the limit with 413 Payload Too Large.
 * Also sets MaxBodySize context as a safety net during body parsing
 * (handles chunked transfer encoding where Content-Length is absent).
 */
export declare const bodyLimitMiddleware: <E, R>(httpApp: import("@effect/platform/HttpApp").Default<E, R>) => Effect.Effect<HttpServerResponse.HttpServerResponse, E, HttpServerRequest.HttpServerRequest | R>;
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