import type { RequestAttribution } from "@velum-labs/routekit-contracts";
import type { ResponsesRequest } from "../adapters/responses-wire.js";
import type { WireRejection } from "../adapters/validate.js";
import { type Backend, type BackendRequest, type BackendRequestOptions } from "../providers/backend.js";
import { type CompositionalRoutingRuntime } from "../routing/eval-policy.js";
import type { EndpointAuthenticator, EndpointContext, EndpointObserver } from "./endpoint-module.js";
import { GatewayEndpoint } from "./endpoint-module.js";
export type ResponsesOperation = "responses";
type ResponsesRelay = Readonly<{
    shouldRelay(headers: EndpointContext["headers"], model: string | undefined, servesLocally: (model: string) => boolean): boolean;
    relay(headers: EndpointContext["headers"], body: ResponsesRequest, signal?: AbortSignal, options?: Pick<BackendRequestOptions, "onAttribution" | "responseMode">): BackendRequest;
}>;
export type ResponsesEndpointDependencies = Readonly<{
    backend: Backend;
    compositionalRouting?: CompositionalRoutingRuntime;
    providerRelay?: ResponsesRelay;
    clientRelay?: ResponsesRelay;
    rejectInvalid(context: EndpointContext, rejection: WireRejection | undefined): boolean;
    attribution(requested: string | undefined, nativeProvider?: "codex"): Partial<RequestAttribution>;
}>;
export declare class ResponsesEndpoint extends GatewayEndpoint<ResponsesOperation> {
    constructor(authenticate: EndpointAuthenticator, dependencies: ResponsesEndpointDependencies, observe?: EndpointObserver);
    matches(method: string, path: string): boolean;
    protected decodeOperation(_context: EndpointContext): ResponsesOperation;
}
export {};