import { type SandboxRuntimeConfig } from '../sandbox/sandbox-config.js';
/**
 * Parse and validate sandbox configuration from a string
 * Used for parsing config from control fd (JSON lines protocol)
 */
export declare function loadConfigFromString(content: string): SandboxRuntimeConfig | null;
/**
 * Load and validate sandbox configuration from a file
 */
export declare function loadConfig(filePath: string): SandboxRuntimeConfig | null;
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