/**
 * Anthropic OAuth flow (Claude Pro/Max subscription)
 *
 * Wraps @mariozechner/pi-ai's loginAnthropic for server-side use.
 * The pi-ai callback API is adapted to a start/exchange pattern
 * for HTTP route handlers.
 */
import type { OAuthCredentials } from "./types";
export interface AnthropicFlow {
    authUrl: string;
    /** Provide the authorization code (format: code#state) to complete the flow */
    submitCode: (code: string) => void;
    /** Resolves with credentials once submitCode() is called */
    credentials: Promise<OAuthCredentials>;
}
/**
 * Start the Anthropic OAuth flow.
 * Returns an auth URL and a way to submit the code + get credentials.
 */
export declare function startAnthropicLogin(): Promise<AnthropicFlow>;
/**
 * Refresh an expired Anthropic token.
 */
export declare function refreshAnthropicToken(refreshToken: string): Promise<OAuthCredentials>;
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