/// <summary>
 /// Read all disks.
 /// </summary>
 /// <param name="fs">Target filesystem.</param>
 public static MochaReader <MochaDisk> ReadDisks(this MochaFileSystem fs) =>
 new MochaReader <MochaDisk>(fs.GetDisks());
 /// <summary>
 /// Read all disks.
 /// </summary>
 /// <param name="fs">Target filesystem.</param>
 /// <param name="query">Query for filtering.</param>
 public static MochaReader <MochaDisk> ReadDisks(this MochaFileSystem fs, Func <MochaDisk, bool> query) =>
 new MochaReader <MochaDisk>(fs.GetDisks().Where(query));
 /// <summary>
 /// Return all disks.
 /// </summary>
 /// <param name="fs">Target filesystem.</param>
 /// <param name="query">Query for filtering.</param>
 public static MochaCollectionResult <MochaDisk> GetDisks(this MochaFileSystem fs, Func <MochaDisk, bool> query) =>
 new MochaCollectionResult <MochaDisk>(fs.GetDisks().Where(query));