import { Volume } from 'memfs';
import { NodeFileSystem } from './nodeFileSystem';
/**
 * Memory file system that instead of writing to disk writes to memory and stores them in a JSON object.
 */
export declare class MemoryFileSystem extends NodeFileSystem {
    protected get memFs(): Volume;
    constructor(files?: {
        [fileName: string]: string | Buffer;
    });
    /**
     * Get the file system as a buffer and return it.
     * @returns Serialized file system
     */
    getBuffer(): Buffer;
    /**
     * Instantiate a new memory file system from a buffer object containing the file system.
     * @param buffer Buffer to read the file system from previously written by `getBuffer`
     * @returns Memory file system
     */
    static fromBuffer(buffer: Buffer): MemoryFileSystem;
}
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