import type { FilesystemEntry } from "./filesystem-snapshot.js";
export interface BaseFilesystemEnvironment {
    env: Record<string, string>;
    prompt: string;
}
export type BaseFilesystemEntry = FilesystemEntry;
export interface BaseFilesystemSnapshot {
    source?: {
        snapshotPath?: string;
        image?: string;
        snapshotCreatedAt?: string;
        builtAt?: string;
        transforms?: string[];
    };
    environment: BaseFilesystemEnvironment;
    filesystem: {
        entries: BaseFilesystemEntry[];
    };
}
/** The default VM environment (a fresh, mutable copy per call). */
export declare function getBaseEnvironment(): Record<string, string>;