/// <reference types="node" />
export declare abstract class Filesystem {
    abstract tryRead(filename: string): Buffer | null;
    abstract tryList(path: string): string[] | null;
}
export declare class EmptyFilesystem extends Filesystem {
    tryRead(filename: string): any;
    tryList(): any;
}
export declare class VirtualFilesystem extends Filesystem {
    private source;
    constructor(source: {
        [path: string]: string;
    });
    tryList(folder: string): string[];
    tryRead(path: string): Buffer;
    tryResolve(path: string): string;
}