export type AuthType = 'client_credentials' | 'oidc_oauth';
export interface StoredConfig {
    url: string;
    webId: string;
    authType: AuthType;
}
export interface ClientCredentialsSecrets {
    clientId: string;
    clientSecret: string;
}
export interface OidcOAuthSecrets {
    oidcRefreshToken: string;
    oidcAccessToken: string;
    oidcExpiresAt: string;
    oidcClientId?: string;
}
export type StoredSecrets = ClientCredentialsSecrets | OidcOAuthSecrets;
export interface StoredCredentials extends StoredConfig {
    secrets: StoredSecrets;
}
export declare function getSolidHomeDir(): string;
export declare function getSolidAuthDir(): string;
export declare function getSolidCredentialsPath(): string;
export declare function saveCredentials(creds: StoredCredentials): void;
/**
 * Load credentials from the shared Solid auth store.
 *
 * This is the only credential source for Solid apps (LinX, xpod, etc.).
 *
 * Format:
 *   {
 *     url: "https://id.undefineds.co/",
 *     webId: "https://id.undefineds.co/user/profile/card#me",
 *     authType: "oidc_oauth",
 *     secrets: {
 *       oidcRefreshToken: "...",
 *       oidcAccessToken: "...",
 *       oidcExpiresAt: "2026-06-06T17:10:49.000Z",
 *       oidcClientId: "..."
 *     }
 *   }
 */
export declare function loadCredentials(): StoredCredentials | null;
export declare function clearCredentials(): void;
export declare function isClientCredentials(secrets: StoredSecrets): secrets is ClientCredentialsSecrets;
export declare function isOidcOAuth(secrets: StoredSecrets): secrets is OidcOAuthSecrets;
/**
 * Get client credentials from stored credentials.
 * Returns null if using OAuth instead of client credentials.
 */
export declare function getClientCredentials(creds: StoredCredentials): ClientCredentialsSecrets | null;
/**
 * Get OAuth credentials from stored credentials.
 * Returns null if using client credentials instead of OAuth.
 */
export declare function getOAuthCredentials(creds: StoredCredentials): OidcOAuthSecrets | null;