/**
 * This file was auto-generated by Fern from our API Definition.
 */
import * as environments from "../../../../environments";
import * as core from "../../../../core";
import * as Vellum from "../../../index";
export declare namespace Environments {
    interface Options {
        environment?: core.Supplier<environments.VellumEnvironment | environments.VellumEnvironmentUrls>;
        /** Specify a custom URL to connect the client to. */
        baseUrl?: core.Supplier<string>;
        apiKey: core.Supplier<string>;
        /** Override the X-API-Version header */
        apiVersion?: core.Supplier<Vellum.ApiVersionEnum | undefined>;
    }
    interface RequestOptions {
        /** The maximum time to wait for a response in seconds. */
        timeoutInSeconds?: number;
        /** The number of times to retry the request. Defaults to 2. */
        maxRetries?: number;
        /** A hook to abort the request. */
        abortSignal?: AbortSignal;
        /** Override the X-API-Version header */
        apiVersion?: Vellum.ApiVersionEnum | undefined;
        /** Additional headers to include in the request. */
        headers?: Record<string, string>;
    }
}
export declare class Environments {
    protected readonly _options: Environments.Options;
    constructor(_options: Environments.Options);
    /**
     * Retrieves information about the active Environment
     *
     * @param {Environments.RequestOptions} requestOptions - Request-specific configuration.
     *
     * @example
     *     await client.environments.environmentIdentity()
     */
    environmentIdentity(requestOptions?: Environments.RequestOptions): core.HttpResponsePromise<Vellum.EnvironmentRead>;
    private __environmentIdentity;
    protected _getCustomAuthorizationHeaders(): Promise<{
        "X-API-KEY": string;
    }>;
}