/**
 * Credential Storage
 *
 * File-based credential storage for cross-platform compatibility.
 * Stores authentication tokens in a JSON file.
 */
export interface StoredCredentials {
    accessToken?: string;
    refreshToken?: string;
    apiKey?: string;
}
export interface CredentialManager {
    getAccessToken(): Promise<string | undefined>;
    getRefreshToken(): Promise<string | undefined>;
    getApiKey(): Promise<string | undefined>;
    getAllCredentials(): Promise<StoredCredentials>;
    setAuthentication(accessToken: string, refreshToken: string, apiKey?: string): Promise<void>;
    clearAuthentication(): Promise<void>;
    getStoragePath(): string;
}
/**
 * FileCredentialManager - File-based credential storage
 *
 * Storage Locations:
 * - Windows: %APPDATA%\<TitleCase(domain)>\auth.json
 * - macOS: ~/.<domain>/auth.json
 * - Linux: $XDG_CONFIG_HOME/<domain>/auth.json or ~/.config/<domain>/auth.json
 */
export declare class FileCredentialManager implements CredentialManager {
    private cachedAccessToken;
    private cachedRefreshToken;
    private cachedApiKey;
    private authFilePath;
    constructor(domain?: string);
    private toWindowsTitleCase;
    private getAuthFilePath;
    getStoragePath(): string;
    private ensureDirectoryExists;
    private readAuthData;
    private writeAuthData;
    setAuthentication(accessToken: string, refreshToken: string, apiKey?: string): Promise<void>;
    getAccessToken(): Promise<string | undefined>;
    getRefreshToken(): Promise<string | undefined>;
    getApiKey(): Promise<string | undefined>;
    getAllCredentials(): Promise<StoredCredentials>;
    clearAuthentication(): Promise<void>;
    /**
     * Clear cached values to force reload from disk
     */
    clearCache(): void;
}
/**
 * Create a credential manager for the specified domain
 */
export declare function createCredentialManager(domain?: string): FileCredentialManager;