import { Action, z } from 'genkit';

/**
 * Copyright 2025 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

type Input<A extends Action> = A extends Action<infer I extends z.ZodTypeAny, any, any> ? z.infer<I> : never;
type Output<A extends Action> = A extends Action<any, infer O extends z.ZodTypeAny, any> ? z.infer<O> : never;
type Stream<A extends Action> = A extends Action<any, any, infer S extends z.ZodTypeAny> ? z.infer<S> : never;
interface RequestData<T> {
    url: string;
    headers?: Record<string, string>;
    input?: T;
    abortSignal?: AbortSignal;
}
declare function runFlow<A extends Action = Action>(req: RequestData<Input<A>>): Promise<Output<A>>;
interface StreamResponse<A extends Action> {
    output: Promise<Output<A>>;
    stream: AsyncIterable<Stream<A>>;
}
declare function streamFlow<A extends Action = Action>(req: RequestData<Input<A>>): StreamResponse<A>;

export { type RequestData, type StreamResponse, runFlow, streamFlow };