/**
 * MAMA Configuration Loader
 *
 * Story M1.4: Configurable embedding model selection
 * Priority: P1 (Core Feature)
 *
 * Loads user configuration from ~/.mama/config.json with sensible defaults.
 * Supports:
 * - Model selection (default: multilingual-e5-large)
 * - Embedding dimensions
 * - Cache directory configuration
 *
 * @module config-loader
 */
export interface MAMAConfig {
    configVersion: number;
    modelName: string;
    embeddingDim: number;
    quantized: boolean;
    cacheDir: string;
    [key: string]: unknown;
}
export declare const DEFAULT_CONFIG: MAMAConfig;
/**
 * Load MAMA configuration from ~/.mama/config.json
 *
 * Story M1.4 AC #1: Config parser loads ~/.mama/config.json
 *
 * @param reload - Force reload from disk (default: false)
 * @returns Configuration object with modelName, embeddingDim, cacheDir
 */
export declare function loadConfig(reload?: boolean): MAMAConfig;
/**
 * Get current model name
 */
export declare function getModelName(): string;
/**
 * Get current embedding dimension
 */
export declare function getEmbeddingDim(): number;
/**
 * Get whether to use quantized model
 */
export declare function getQuantized(): boolean;
/**
 * Get current cache directory
 */
export declare function getCacheDir(): string;
export interface ConfigUpdates {
    modelName?: string;
    embeddingDim?: number;
    quantized?: boolean;
    cacheDir?: string;
}
/**
 * Update configuration and save to file
 *
 * Story M1.4 AC #3: Changing model via config triggers informative log + resets caches
 *
 * @param updates - Configuration updates
 * @returns Success status
 */
export declare function updateConfig(updates: ConfigUpdates): boolean;
/**
 * Get config file path
 */
export declare function getConfigPath(): string;
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