/// <reference types="node" />
/// <reference types="node" />
/// <reference types="node" />
import type { CommonTransportOptions, UniversalClientFn } from "@bufbuild/connect/protocol";
import type { NodeHttp2ClientSessionManager } from "./node-universal-client.js";
import type { Http2SessionOptions } from "./http2-session-manager.js";
import * as http2 from "http2";
import * as http from "http";
import * as https from "https";
export type DeprecatedNodeTransportOptions = {
    /**
     * @deprecated use the Http2SessionManager instead for fine-grained control over sessions and keep-alive
     *
     * By default, HTTP/2 sessions are terminated after each request.
     * Set this option to true to keep sessions alive across multiple
     * requests.
     */
    keepSessionAlive?: boolean;
};
/**
 * Options specific to Node.js client transports.
 */
export type NodeTransportOptions = {
    httpVersion: "1.1";
    /**
     * Options passed to the request() call of the Node.js built-in
     * http or https module.
     */
    nodeOptions?: Omit<http.RequestOptions, "signal"> | Omit<https.RequestOptions, "signal">;
} | ({
    httpVersion: "2";
    /**
     * A manager for the HTTP/2 connection of the transport.
     *
     * Providing this option makes nodeOptions as well as the HTTP/2 session
     * options (pingIntervalMs et cetera) ineffective.
     */
    sessionManager?: NodeHttp2ClientSessionManager;
    /**
     * Options passed to the connect() call of the Node.js built-in
     * http2 module.
     */
    nodeOptions?: http2.ClientSessionOptions | http2.SecureClientSessionOptions;
} & Http2SessionOptions);
/**
 * Asserts that the options are within sane limits, and returns default values
 * where no value is provided.
 *
 * @private Internal code, does not follow semantic versioning.
 */
export declare function validateNodeTransportOptions(options: NodeTransportOptions & Partial<Omit<CommonTransportOptions, "baseUrl">> & Pick<CommonTransportOptions, "baseUrl">): {
    readMaxBytes: number;
    writeMaxBytes: number;
    compressMinBytes: number;
    httpClient: UniversalClientFn;
    useBinaryFormat: boolean;
    interceptors: import("@bufbuild/connect").Interceptor[];
    sendCompression: import("@bufbuild/connect/protocol").Compression | null;
    acceptCompression: import("@bufbuild/connect/protocol").Compression[];
    httpVersion: "1.1";
    /**
     * Options passed to the request() call of the Node.js built-in
     * http or https module.
     */
    nodeOptions?: Omit<http.RequestOptions, "signal"> | Omit<https.RequestOptions, "signal"> | undefined;
    jsonOptions?: Partial<import("@bufbuild/protobuf").JsonReadOptions & import("@bufbuild/protobuf").JsonWriteOptions> | undefined;
    binaryOptions?: Partial<import("@bufbuild/protobuf").BinaryReadOptions & import("@bufbuild/protobuf").BinaryWriteOptions> | undefined;
    useHttpGet?: boolean | undefined;
    baseUrl: string;
} | {
    readMaxBytes: number;
    writeMaxBytes: number;
    compressMinBytes: number;
    httpClient: UniversalClientFn;
    useBinaryFormat: boolean;
    interceptors: import("@bufbuild/connect").Interceptor[];
    sendCompression: import("@bufbuild/connect/protocol").Compression | null;
    acceptCompression: import("@bufbuild/connect/protocol").Compression[];
    httpVersion: "2";
    /**
     * A manager for the HTTP/2 connection of the transport.
     *
     * Providing this option makes nodeOptions as well as the HTTP/2 session
     * options (pingIntervalMs et cetera) ineffective.
     */
    sessionManager?: NodeHttp2ClientSessionManager | undefined;
    /**
     * Options passed to the connect() call of the Node.js built-in
     * http2 module.
     */
    nodeOptions?: http2.ClientSessionOptions | http2.SecureClientSessionOptions | undefined;
    pingIntervalMs?: number | undefined;
    pingIdleConnection?: boolean | undefined;
    pingTimeoutMs?: number | undefined;
    idleConnectionTimeoutMs?: number | undefined;
    jsonOptions?: Partial<import("@bufbuild/protobuf").JsonReadOptions & import("@bufbuild/protobuf").JsonWriteOptions> | undefined;
    binaryOptions?: Partial<import("@bufbuild/protobuf").BinaryReadOptions & import("@bufbuild/protobuf").BinaryWriteOptions> | undefined;
    useHttpGet?: boolean | undefined;
    baseUrl: string;
};