import type { AppConfig, ProviderConfig, TaskDefaults, TaskType } from './types.js';
/**
 * Get a configuration value by dot-notation path
 */
export declare function getConfig<T = unknown>(path: string): T | undefined;
/**
 * Set a configuration value by dot-notation path
 */
export declare function setConfig(path: string, value: unknown): void;
/**
 * Delete a configuration value
 */
export declare function deleteConfig(path: string): void;
/**
 * Get all configuration
 */
export declare function getAllConfig(): AppConfig;
/**
 * Reset configuration to defaults
 */
export declare function resetConfig(): void;
/**
 * Get the config file path
 */
export declare function getConfigPath(): string;
/**
 * Get provider configuration
 */
export declare function getProviderConfig(provider: string): ProviderConfig | undefined;
/**
 * Set provider API key
 */
export declare function setProviderApiKey(provider: string, apiKey: string): void;
/**
 * Get default provider name
 */
export declare function getDefaultProvider(): string;
/**
 * Set default provider
 */
export declare function setDefaultProvider(provider: string): void;
/**
 * Get task defaults for a specific type
 */
export declare function getTaskDefaults(type: TaskType): TaskDefaults;
/**
 * Set a task default value
 */
export declare function setTaskDefault(type: TaskType, key: string, value: unknown): void;
/**
 * Mask sensitive values (like API keys)
 */
export declare function maskSensitiveValue(value: string): string;
/**
 * Get config with masked sensitive values for display
 */
export declare function getConfigForDisplay(): Record<string, unknown>;