import { type AuthToken } from "../auth/index.js";
export interface BmuxClientConfig {
    serverUrl?: string;
    authToken?: string;
}
/**
 * Get the path to the tasks-adapter config directory (~/.tasks-adapter).
 */
export declare function getBmuxDir(): string;
/**
 * Get the path to the auth state file (~/.tasks-adapter/auth.json).
 */
export declare function getAuthStorePath(): string;
/**
 * Get the path to the client config file (~/.tasks-adapter/config.json).
 */
export declare function getClientConfigPath(): string;
/**
 * Get the path to the SSH keys directory (~/.tasks-adapter/keys).
 */
export declare function getKeysDir(): string;
/**
 * Load CLI/MCP client configuration from ~/.tasks-adapter/config.json.
 */
export declare function loadClientConfig(): BmuxClientConfig;
/**
 * Save or update CLI/MCP client configuration in ~/.tasks-adapter/config.json.
 */
export declare function saveClientConfig(next: BmuxClientConfig): void;
/**
 * Load the stored authentication state from ~/.tasks-adapter/auth.json.
 * Returns null if no auth file exists or the contents are invalid.
 */
export declare function loadAuthState(): AuthToken | null;
/**
 * Save authentication state to ~/.tasks-adapter/auth.json.
 * Creates the directory if it does not exist.
 * Sets file permissions to 0600 (owner read/write only).
 */
export declare function saveAuthState(state: AuthToken): void;
/**
 * Clear the stored authentication state by removing ~/.tasks-adapter/auth.json.
 */
export declare function clearAuthState(): void;
/**
 * Check whether a token has expired based on its expiresAt timestamp.
 */
export declare function isTokenExpired(expiresAt: string): boolean;
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