import type { MonoAgentConfigJson } from "./json-source.js";
import type { MonoAgentConfig } from "./types.js";
export interface LoadMonoAgentConfigWithSourcesInput {
    readonly env: Record<string, string | undefined>;
    readonly cwd: string;
    /**
     * Optional path to a JSON config file. Missing or empty file is OK.
     * When set, values from JSON fill in fields that are not present in env;
     * env always wins for fields present in both layers.
     */
    readonly jsonPath?: string;
}
/**
 * Layered loader: JSON file provides defaults, env vars override.
 *
 * Precedence (highest first):
 *   1. process env
 *   2. mono-agent.config.json
 *   3. built-in defaults from loadMonoAgentConfig (executionMode, sessions, etc.)
 *
 * Returns the same `MonoAgentConfig` shape as `loadMonoAgentConfig` so
 * existing call sites only need to swap the loader.
 */
export declare function loadMonoAgentConfigWithSources(input: LoadMonoAgentConfigWithSourcesInput): Promise<MonoAgentConfig>;
/**
 * Convert a JSON config object into a flat env-like record so we can hand it
 * to the existing env-based loader. Env values present in `env` take
 * precedence over JSON-derived values.
 */
export declare function layerJsonOntoEnv(json: MonoAgentConfigJson, env: Record<string, string | undefined>): Record<string, string | undefined>;
//# sourceMappingURL=layered-loader.d.ts.map