export interface MockFsState {
    accessiblePaths: Set<string>;
    files: Map<string, Buffer | string>;
    removedPaths: Set<string>;
    writtenFiles: Map<string, Buffer | string>;
}
export declare class MockFsBuilder {
    private state;
    /**
     * Add a file to the mock filesystem
     */
    addFile(path: string, content: Buffer | string): this;
    /**
     * Build fs/promises mock
     */
    build(): {
        access: import("vitest").Mock<(path: string) => Promise<void>>;
        mkdir: import("vitest").Mock<() => Promise<void>>;
        readFile: import("vitest").Mock<(path: string) => Promise<string | Buffer<ArrayBufferLike>>>;
        rm: import("vitest").Mock<(path: string) => Promise<void>>;
        unlink: import("vitest").Mock<(path: string) => Promise<void>>;
        writeFile: import("vitest").Mock<(path: string, content: Buffer | string) => Promise<void>>;
    };
    /**
     * Get paths that were removed
     */
    getRemovedPaths(): Set<string>;
    /**
     * Get the current state
     */
    getState(): MockFsState;
    /**
     * Get files that were written
     */
    getWrittenFiles(): Map<string, Buffer | string>;
    /**
     * Make a path accessible (exists check will pass)
     */
    makeAccessible(path: string): this;
}
/**
 * Create a new mock fs builder
 */
export declare function createMockFs(): MockFsBuilder;