import * as nodefs from "node:fs";
import ts from "typescript";
export declare class VersionedSnapshot {
    fileName: string;
    private version;
    private snapshot?;
    private filesystem;
    constructor(fileName: string, snapshot?: ts.IScriptSnapshot, fs?: typeof nodefs);
    getVersion(): string;
    getSnapshot(): ts.IScriptSnapshot;
    update(snapshot?: ts.IScriptSnapshot): void;
}
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