/**
 * @fileoverview Configuration loader using cosmiconfig
 * @module @nahisaho/musubix-security/infrastructure/config-loader
 * @trace REQ-SEC-CONFIG-001, REQ-SEC-CONFIG-002
 */
import { z } from 'zod';
import type { SecurityConfig } from '../types/index.js';
/**
 * Configuration loader result
 */
export interface ConfigLoadResult {
    config: SecurityConfig;
    filepath?: string;
    isEmpty: boolean;
}
/**
 * Load configuration asynchronously
 */
export declare function loadConfig(searchFrom?: string): Promise<ConfigLoadResult>;
/**
 * Load configuration synchronously
 */
export declare function loadConfigSync(searchFrom?: string): ConfigLoadResult;
/**
 * Validate a configuration object
 */
export declare function validateConfig(config: unknown): {
    valid: boolean;
    errors?: string[];
};
/**
 * Get config schema for documentation
 */
export declare function getConfigSchema(): z.ZodType<any>;
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