import type { RuntimePlatform } from './platform/types';
export declare function loadEnvFile(envPath: string, platform?: Pick<RuntimePlatform, 'fileExists' | 'readTextFile'>): Record<string, string>;
export declare function applyEnv(overrides: Record<string, string | undefined>, platform?: Pick<RuntimePlatform, 'getEnv' | 'setEnv'>): () => void;