type FetchFn = typeof globalThis.fetch & {
    _httpClientCustomFetch?: boolean;
};
export type NodeAgentLike = {
    options?: Record<string, unknown>;
};
export type AgentOptions = {
    agent?: NodeAgentLike;
    httpsAgent?: NodeAgentLike;
    fetch?: FetchFn;
    [key: string]: unknown;
};
/**
 * Converts a legacy `agent`/`httpsAgent` option to a custom fetch function
 * backed by an undici dispatcher. No-op when no agent is present.
 *
 * @param options {AgentOptions | undefined}
 * @returns {AgentOptions | undefined}
 */
export declare function convertAgent(options: AgentOptions | undefined): AgentOptions | undefined;
export {};
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