/** Error raised when a requested snapshot path is not an admissible regular file. */
export declare class FileSnapshotPathError extends TypeError {
    readonly name = "FileSnapshotPathError";
    constructor(message: string);
}
/** Return whether a value is a framework-created snapshot path rejection. */
export declare function isFileSnapshotPathError(value: unknown): value is FileSnapshotPathError;
/** Error raised when a file changes while a stable snapshot is being read. */
export declare class FileSnapshotChangedError extends Error {
    readonly name = "FileSnapshotChangedError";
    constructor(message?: string);
}
/** Return whether a value is a framework-created file snapshot change error. */
export declare function isFileSnapshotChangedError(value: unknown): value is FileSnapshotChangedError;
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