/**
 * OAuth types for authentication providers
 */
export interface OAuthCredentials {
    refresh: string;
    access: string;
    expires: number;
    [key: string]: unknown;
}
export type OAuthProviderId = string;
export interface OAuthAuthInfo {
    url: string;
    instructions?: string;
}
export interface OAuthPrompt {
    message: string;
    placeholder?: string;
    allowEmpty?: boolean;
}
/**
 * A selectable authentication mode for an OAuth provider.
 * Providers that support multiple flows (e.g. browser callback vs. device code)
 * advertise them via `OAuthProviderInterface.authModes`. The TUI shows a
 * sub-selector when more than one mode is available so users don't need to
 * discover the flow through environment variables.
 */
export interface AuthMode {
    id: string;
    name: string;
    description?: string;
}
export interface OAuthLoginCallbacks {
    onAuth: (info: OAuthAuthInfo) => void;
    onPrompt: (prompt: OAuthPrompt) => Promise<string>;
    onProgress?: (message: string) => void;
    onManualCodeInput?: () => Promise<string>;
    signal?: AbortSignal;
    /** Selected authentication mode id (matches one of `OAuthProviderInterface.authModes`). */
    authMode?: string;
}
export interface OAuthProviderInterface {
    readonly id: OAuthProviderId;
    readonly name: string;
    /** Whether this provider uses a local callback server (vs manual code paste) */
    readonly usesCallbackServer?: boolean;
    /**
     * Optional list of selectable auth flows. When set with two or more entries,
     * the TUI prompts the user to pick a mode before starting the login flow and
     * forwards the choice via `OAuthLoginCallbacks.authMode`.
     */
    readonly authModes?: ReadonlyArray<AuthMode>;
    /** Run the login flow, return credentials to persist */
    login(callbacks: OAuthLoginCallbacks): Promise<OAuthCredentials>;
    /** Refresh expired credentials, return updated credentials to persist */
    refreshToken(credentials: OAuthCredentials): Promise<OAuthCredentials>;
    /** Convert credentials to API key string for the provider */
    getApiKey(credentials: OAuthCredentials): string;
}
export type ApiKeyCredential = {
    type: 'api_key';
    key: string;
};
export type OAuthCredential = {
    type: 'oauth';
} & OAuthCredentials;
export type AuthCredential = ApiKeyCredential | OAuthCredential;
export type AuthStorageData = Record<string, AuthCredential>;
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