import type { LibSQLDatabase } from "drizzle-orm/libsql";
import { type NewAppRequest } from "../../db/schema.js";
import type * as schema from "../../db/schema.js";
type RequestIdType = schema.AppResponse["requestId"];
type DbType = LibSQLDatabase<typeof schema>;
/**
 * This function executes a proxy request and returns the response or *throws* an error.
 */
export declare function executeProxyRequest(reqOrAppReq: NewAppRequest | Request): Promise<Response>;
export declare function removeUnsupportedHeaders(headers: Record<string, string>): Record<string, string>;
/**
 * Extract useful data from the error when a request fails,
 * and save that data in the `app_responses` table
 */
export declare function handleFailedRequest(db: DbType, requestId: RequestIdType, traceId: string, responseTime: number, error: unknown): Promise<{
    isFailure: boolean;
    responseTime: number;
    traceId: string;
    requestId: number | null;
    failureReason: string;
    failureDetails: Record<string, string>;
}>;
/**
 * Extract useful data from the response when a request succeeds,
 * and save that data in the `app_responses` table
 */
export declare function handleSuccessfulRequest(db: DbType, requestId: RequestIdType, duration: number, response: Awaited<ReturnType<typeof fetch>>, traceId: string): Promise<{
    isFailure: boolean;
    responseStatusCode: number;
    responseTime: number;
    responseHeaders: Record<string, string>;
    responseBody: string | null;
    traceId: string;
}>;
export {};