/**
 * @license
 * Copyright 2026 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import type { IExecuteContext } from "@workglow/task-graph";
import type { IWebSearchProvider, WebSearchCapabilities, WebSearchRequest, WebSearchResponse } from "@workglow/web-search";
import OpenAI from "openai";
export interface OpenAiWebSearchOptions {
    readonly client?: OpenAI | undefined;
    readonly apiKey?: string | undefined;
    readonly model?: string | undefined;
    /** How much context window the search may spend. */
    readonly searchContextSize?: "low" | "medium" | "high" | undefined;
}
export declare class OpenAiWebSearchProvider implements IWebSearchProvider {
    readonly name = "openai";
    /** Reached through the vendor SDK, not a fetch this package owns. */
    readonly endpoint: undefined;
    /** The SDK carries the key; `credentialKey` never reaches this request. */
    readonly acceptsCredentialKey = false;
    readonly capabilities: WebSearchCapabilities;
    private client;
    private readonly apiKey;
    private readonly model;
    private readonly searchContextSize;
    constructor(options?: OpenAiWebSearchOptions);
    /**
     * Built on first search, not in the constructor, so registering the provider
     * cannot throw out of the vendor SDK on a machine that has no key yet, and a
     * missing key reports through this repo's named error rather than the SDK's.
     */
    private getClient;
    search(request: WebSearchRequest, context: IExecuteContext): Promise<WebSearchResponse>;
}