/**
 * User-level settings stored in ~/.grok/user-settings.json
 * These are global settings that apply across all projects
 */
export interface UserSettings {
    apiKey?: string;
    baseURL?: string;
    defaultModel?: string;
    models?: string[];
    temperature?: number;
    maxTokens?: number;
    startupHook?: string;
    instanceHook?: string;
    postUserInputHook?: string;
    preLLMResponseHook?: string;
    postLLMResponseHook?: string;
    preToolCallHook?: string;
    postToolCallHook?: string;
    taskApprovalHook?: string;
    toolApprovalHook?: string;
    personaHook?: string;
    personaHookMandatory?: boolean;
    moodHook?: string;
    moodHookMandatory?: boolean;
    contextViewHelper?: string;
    contextViewHelperGui?: string;
    contextEditHelper?: string;
    contextEditHelperGui?: string;
    mcpServers?: Record<string, any>;
}
/**
 * Project-level settings stored in .grok/settings.json
 * These are project-specific settings
 */
export interface ProjectSettings {
    model?: string;
    mcpServers?: Record<string, any>;
}
/**
 * Unified settings manager that handles both user-level and project-level settings
 */
export declare class SettingsManager {
    private static instance;
    private userSettingsPath;
    private userMcpServersPath;
    private userVarsPath;
    private projectSettingsPath;
    private projectMcpServersPath;
    private constructor();
    /**
     * Get singleton instance
     */
    static getInstance(): SettingsManager;
    /**
     * Load user settings from appropriate files
     */
    loadUserSettings(): UserSettings;
    /**
     * Save user settings to ~/.grok/user-settings.json
     * mcpServers is saved to ~/.zds-ai/mcp.json separately
     */
    saveUserSettings(settings: Partial<UserSettings>): void;
    /**
     * Update a specific user setting
     */
    updateUserSetting<K extends keyof UserSettings>(key: K, value: UserSettings[K]): void;
    /**
     * Get a specific user setting
     */
    getUserSetting<K extends keyof UserSettings>(key: K): UserSettings[K];
    /**
     * Load project settings from .zds-ai/project-settings.json
     * mcpServers is loaded from .zds-ai/project-mcp.json if it exists
     */
    loadProjectSettings(): ProjectSettings;
    /**
     * Save project settings to .zds-ai/project-settings.json
     * mcpServers is saved to .zds-ai/project-mcp.json separately
     */
    saveProjectSettings(settings: Partial<ProjectSettings>): void;
    /**
     * Update a specific project setting
     */
    updateProjectSetting<K extends keyof ProjectSettings>(key: K, value: ProjectSettings[K]): void;
    /**
     * Get a specific project setting
     */
    getProjectSetting<K extends keyof ProjectSettings>(key: K): ProjectSettings[K];
    /**
     * Get the current model with proper fallback logic:
     * 1. Project-specific model setting
     * 2. User's default model
     * 3. System default
     */
    getCurrentModel(): string;
    /**
     * Set the current model for the project
     */
    setCurrentModel(model: string): void;
    /**
     * Get available models list from user settings
     */
    getAvailableModels(): string[];
    /**
     * Get API key from user settings or environment
     */
    getApiKey(): string | undefined;
    /**
     * Get startup hook command from user settings
     */
    getStartupHook(): string | undefined;
    /**
     * Get instance hook command from user settings
     */
    getInstanceHook(): string | undefined;
    /**
     * Get task approval hook command from user settings
     * Used for validating all task operations (start/transition/stop)
     */
    getTaskApprovalHook(): string | undefined;
    /**
     * Get tool approval hook command from user settings
     */
    getToolApprovalHook(): string | undefined;
    /**
     * Get persona hook command from user settings
     */
    getPersonaHook(): string | undefined;
    /**
     * Check if persona hook is mandatory
     */
    isPersonaHookMandatory(): boolean;
    /**
     * Get mood hook command from user settings
     */
    getMoodHook(): string | undefined;
    /**
     * Check if mood hook is mandatory
     */
    isMoodHookMandatory(): boolean;
    /**
     * Get postUserInput hook command from user settings
     */
    getPostUserInputHook(): string | undefined;
    /**
     * Get preLLMResponse hook command from user settings
     */
    getPreLLMResponseHook(): string | undefined;
    /**
     * Get postLLMResponse hook command from user settings
     */
    getPostLLMResponseHook(): string | undefined;
    /**
     * Get preToolCall hook command from user settings
     */
    getPreToolCallHook(): string | undefined;
    /**
     * Get postToolCall hook command from user settings
     */
    getPostToolCallHook(): string | undefined;
    /**
     * Detect if we're running in a GUI environment or text-only (SSH/terminal)
     * Returns true if GUI is available, false for text-only
     */
    isGuiAvailable(): boolean;
    /**
     * Get context view helper command from user settings
     * Auto-detects GUI vs text-only environment
     */
    getContextViewHelper(): string;
    /**
     * Get context edit helper command from user settings
     * Auto-detects GUI vs text-only environment
     */
    getContextEditHelper(): string;
    /**
     * Get base URL from user settings or environment
     */
    getBaseURL(): string;
    /**
     * Get temperature from user settings
     * Defaults to 0.7 if not set
     */
    getTemperature(): number;
    /**
     * Get max tokens from user settings or environment
     * Priority: user settings > ZDS_AI_AGENT_MAX_TOKENS env var > undefined
     * Returns undefined if not set (allows API to use its default)
     */
    getMaxTokens(): number | undefined;
    /**
     * Load variable definitions from ~/.zds-ai/cli-vars.yml
     * Returns array of variable definition objects
     */
    loadVariableDefinitions(): any[];
    /**
     * Ensure directory exists for a given file path
     */
    private ensureDirectoryExists;
}
/**
 * Convenience function to get the singleton instance
 */
export declare function getSettingsManager(): SettingsManager;