import type { OAuthCredentials } from "./types";
export declare const COPILOT_USER_AGENT: "opencode/1.3.15";
export declare const OPENCODE_HEADERS: {
    readonly "User-Agent": "opencode/1.3.15";
};
export type ParsedGitHubCopilotApiKey = {
    accessToken: string;
    enterpriseUrl?: string;
};
export declare function normalizeGitHubCopilotEnterpriseDomain(input: string | undefined): string | undefined;
export declare function parseGitHubCopilotApiKey(apiKeyRaw: string): ParsedGitHubCopilotApiKey;
export declare function normalizeDomain(input: string): string | null;
export declare function getGitHubCopilotBaseUrl(enterpriseDomain?: string): string;
/**
 * Refresh GitHub Copilot token.
 * With the opencode OAuth flow, the GitHub token is used directly — no JWT exchange needed.
 */
export declare function refreshGitHubCopilotToken(refreshToken: string, enterpriseDomain?: string): OAuthCredentials;
/**
 * Login with GitHub Copilot OAuth (device code flow)
 *
 * @param options.onAuth - Callback with URL and optional instructions (user code)
 * @param options.onPrompt - Callback to prompt user for input
 * @param options.onProgress - Optional progress callback
 * @param options.signal - Optional AbortSignal for cancellation
 */
export declare function loginGitHubCopilot(options: {
    onAuth: (url: string, instructions?: string) => void;
    onPrompt: (prompt: {
        message: string;
        placeholder?: string;
        allowEmpty?: boolean;
    }) => Promise<string>;
    onProgress?: (message: string) => void;
    signal?: AbortSignal;
    pollIntervalFloorMs?: number;
    pollIntervalScaleMs?: number;
}): Promise<OAuthCredentials>;