buffer.append(", ");
                }
                buffer.append('\'').append(parameter.getName()).append('\'');
            }
        }
        return buffer.toString();
    }

    public MojoDescriptor getMojoDescriptor() {
        return mojo;
    }

    public List<Parameter> getParameters() {
        return parameters;
    }

    }

    /**
     * @see org.apache.maven.plugin.logging.Log#error(java.lang.CharSequence)
     */
    @Override
    public void error(CharSequence content) {
        System.err.println("[error] " + content.toString());
    }

    /**
     * @see org.apache.maven.plugin.logging.Log#error(java.lang.CharSequence, java.lang.Throwable)
     */
    @Override
    public void error(CharSequence content, Throwable error) {

        return Collections.unmodifiableList(messages);
    }

    public void addMessage(String message) {
        messages.add(message);
    }

    @Override
    public String toString() {
        return render("");
    }

    public String render(String indentation) {
        if (messages.isEmpty()) {
            return indentation + "There were no validation errors.";
        }

    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new MailingList().toString());
    }

    @Test
    public void testToStringNotNonsense() {
        MailingList list = new MailingList();
        list.setName("modello-dev");

        String s = list.toString();

        assertEquals("MailingList {name=modello-dev, archive=null}", s);
    }

    StringBuilder sb = new StringBuilder(sevenBitAsciiMax - spaceInAscii);
    for (int ch = spaceInAscii; ch < sevenBitAsciiMax; ch++) {
      sb.append((char) ch);
    }
    ASCII_CHARACTERS = sb.toString();
  }

  private static final String ALL_DIGITS;

  static {
    StringBuilder sb = new StringBuilder();
    String zeros =
        "0\u0660\u06f0\u07c0\u0966\u09e6\u0a66\u0ae6\u0b66\u0be6\u0c66"

    StringBuilder sb = new StringBuilder(sevenBitAsciiMax - spaceInAscii);
    for (int ch = spaceInAscii; ch < sevenBitAsciiMax; ch++) {
      sb.append((char) ch);
    }
    ASCII_CHARACTERS = sb.toString();
  }

  private static final String ALL_DIGITS;

  static {
    StringBuilder sb = new StringBuilder();
    String zeros =
        "0\u0660\u06f0\u07c0\u0966\u09e6\u0a66\u0ae6\u0b66\u0be6\u0c66"

      TypeParameter<?> that = (TypeParameter<?>) o;
      return typeVariable.equals(that.typeVariable);
    }
    return false;
  }

  @Override
  public String toString() {
    return typeVariable.toString();
  }

    val request = HttpGet(server.url("/").toUri())
    request.addHeader("Accept", "text/plain")

    httpClient.execute(request).use { response ->
      assertThat(response.code).isEqualTo(200)
      assertThat(EntityUtils.toString(response.entity)).isEqualTo("hello, Apache HttpClient 5.x")
    }

    val recorded = server.takeRequest()
    assertThat(recorded.headers["Accept"]).isEqualTo("text/plain")

                msg.append("\tCaused by: ")
                        .append(exception.getCause().getMessage())
                        .append(System.lineSeparator());
            }
        }

        return msg.toString();
    }

    public DependencyResolutionResult getResult() {
        return result;
    }

    @Override
    public String getMessage() {
        return detailMessage;
    }

        assertTrue(thing.equals(thing), "Expected " + thing + " to equal " + thing);
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new DependencyManagement().toString());
    }

    @Test
    void testDependencies() {
        DependencyManagement dm = new DependencyManagement();
        Dependency d1 = new Dependency();
        d1.setGroupId("myGroupId");