/**
 * MCP Configuration Loader
 *
 * Discovers, loads, validates, and merges MCP server configuration files
 * from global and project-specific locations.
 */
import type { McpConfig, MergedConfig } from '../types/mcp.js';
/**
 * Configuration Loader Interface
 */
export interface IMcpConfigLoader {
    discoverConfigs(): Promise<{
        global: McpConfig | null;
        project: McpConfig | null;
    }>;
    mergeConfigs(global: McpConfig | null, project: McpConfig | null): MergedConfig;
    validateConfig(config: McpConfig): {
        valid: boolean;
        errors: string[];
    };
}
/**
 * Discover and load MCP configurations from standard locations
 */
export declare function discoverConfigs(workingDir?: string): Promise<{
    global: McpConfig | null;
    project: McpConfig | null;
}>;
/**
 * Merge global and project configurations
 *
 * Project configuration takes precedence for duplicate server names
 */
export declare function mergeConfigs(global: McpConfig | null, project: McpConfig | null): MergedConfig;
/**
 * Validate configuration against JSON schema
 */
export declare function validateConfig(config: McpConfig): {
    valid: boolean;
    errors: string[];
};
/**
 * MCP Configuration Loader implementation
 */
export declare class McpConfigLoader implements IMcpConfigLoader {
    private readonly workingDir?;
    constructor(workingDir?: string | undefined);
    discoverConfigs(): Promise<{
        global: McpConfig | null;
        project: McpConfig | null;
    }>;
    mergeConfigs(global: McpConfig | null, project: McpConfig | null): MergedConfig;
    validateConfig(config: McpConfig): {
        valid: boolean;
        errors: string[];
    };
}
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