val dirPath = dir.toPath()
            Files.walk(dirPath).use { paths ->
                paths.filter { !it.toFile().isDirectory }
                    .limit(4)
                    .map { dirPath.relativize(it).toString() }
                    .collect(Collectors.toList())
            }
        }?.filter {
            it.value.isNotEmpty()
        } ?: emptyMap()

    /**

    @Override
    public Integer maxValue() {
      return Integer.MAX_VALUE;
    }

    private Object readResolve() {
      return INSTANCE;
    }

    @Override
    public String toString() {
      return "DiscreteDomain.integers()";
    }

    private static final long serialVersionUID = 0;
  }

  /**
   * Returns the discrete domain for values of type {@code Long}.
   *

   *
   * @return the String representation of the current values of array
   */
  @Override
  public String toString() {
    int iMax = length() - 1;
    if (iMax == -1) {
      return "[]";
    }

    // Double.toString(Math.PI).length() == 17
    StringBuilder b = new StringBuilder((17 + 2) * (iMax + 1));
    b.append('[');
    for (int i = 0; ; i++) {

    }

    public void setVersionNo(final Long version) {
        asDocMeta().version(version);
    }

    @Override
    public String toString() {
        return "ElevateWord [labelTypeIds=" + Arrays.toString(labelTypeIds) + ", labelTypeList=" + labelTypeList + ", boost=" + boost

                counter[0]--;
              }
            };
          }
        };
    Reader joinedReader = CharSource.concat(reader, reader, reader).openStream();
    String result = CharStreams.toString(joinedReader);
    assertEquals(testString.length() * 3, result.length());
  }

  public void testReady() throws Exception {
    CharSource source = newCharSource("a");

                counter[0]--;
              }
            };
          }
        };
    Reader joinedReader = CharSource.concat(reader, reader, reader).openStream();
    String result = CharStreams.toString(joinedReader);
    assertEquals(testString.length() * 3, result.length());
  }

  public void testReady() throws Exception {
    CharSource source = newCharSource("a");

     */
    @Override
    public int hashCode () {
        return this.oid.hashCode();
    }


    /*
     * (non-Javadoc)
     * 
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString () {
        return this.name;
    }

        Objects.requireNonNull(input, "input cannot be null");

        try (InputStream in = Files.newInputStream(input.toPath())) {
            InputSource source = new InputSource(input.toString());
            return new PersistedToolchains(new MavenToolchainsStaxReader().read(in, isStrict(options), source));
        } catch (XMLStreamException e) {
            throw new ToolchainsParseException(

            bufferIndex += stringWireLength(primaryDomain, bufferIndex);
        }

        return bufferIndex - start;
    }
    public String toString() {
        String result = new String( "SmbComSessionSetupAndXResponse[" +
            super.toString() +
            ",isLoggedInAsGuest=" + isLoggedInAsGuest +
            ",nativeOs=" + nativeOs +
            ",nativeLanMan=" + nativeLanMan +

            bufferIndex += stringWireLength( nativeFileSystem, bufferIndex );
        }
*/

        return bufferIndex - start;
    }
    public String toString() {
        String result = new String( "SmbComTreeConnectAndXResponse[" +
            super.toString() +
            ",supportSearchBits=" + supportSearchBits +
            ",shareIsInDfs=" + shareIsInDfs +
            ",service=" + service +