return false;
        }

        if (!string.isEmpty()) {
            return true;
        }

        addViolation(problems, Severity.ERROR, fieldName, sourceHint, "is missing");

        return false;
    }

    /**
     * Asserts:
     * <p/>
     * <ul>
     * <li><code>string != null</code>
     * </ul>
     */
    private static boolean validateNotNull(

            <artifactId>a</artifactId>
            <version>0.1</version>
          </dependency>
          <dependency>
            <groupId>test</groupId>
            <artifactId>b</artifactId>
            <version>${missing.property}</version>
          </dependency>
        </dependencies>
      </plugin>
    </plugins>
  </build>

      "colour": "#00ff00",
      "description": "with reproduction steps"
    },
    "without_playground": {
      "name": "type:missing reproduction steps",
      "colour": "#CF2E1F",
      "description": "missing reproduction steps"
    },
    "has_pr": {
      "name": "type:has pull request",
      "colour": "#43952A",
      "description": "has pull request"
    },
    "not_tested": {
      "name": "type:not tested",

import org.codehaus.plexus.component.configurator.ConfigurationListener;

/**
 * A configuration listener to help validate the plugin configuration. For instance, check for required but missing
 * parameters.
 *
 */
class ValidatingConfigurationListener implements ConfigurationListener {
    private final Object mojo;

    private final ConfigurationListener delegate;

        assertNotNull(pairs, "Decoded pairs should not be null");
        assertEquals(0, pairs.size(), "Should have no pairs");
    }

    /**
     * Test decode with missing EOL
     */
    @Test
    @DisplayName("Decode should throw exception when EOL is missing")
    void testDecodeMissingEOL() {
        byte[] flagData = new byte[4];
        SMBUtil.writeInt4(0x12345678, flagData, 0);

                Arguments.of("oid length exceeds buffer", new byte[] { 0x04, 0x01, 0x00, 0x10, 0x06 }, IllegalArgumentException.class),

                // Missing NAME_LEN (not enough bytes for 4-byte length)
                Arguments.of("missing NAME_LEN bytes", new byte[] { 0x04, 0x01, 0x00, (byte) der.length, der[0] },
                        IllegalArgumentException.class),

                String.format(Locale.ROOT, "Caught an exception in %s.  Shutting down.", t),
                e);
      } catch (Throwable errorInLogging) { // sneaky checked exception
        // If logging fails, e.g. due to missing memory, at least try to log the
        // message and the cause for the failed logging.
        System.err.println(e.getMessage());
        System.err.println(errorInLogging.getMessage());
      } finally {

                    result.setArtifact(artifact);
                } catch (FileNotFoundException | URISyntaxException e) {
                    throw new IllegalStateException("Missing test POM for " + artifact, e);
                }
            } else {
                result.addException(new ArtifactNotFoundException(artifact, (RemoteRepository) null));

    val JApiClass.bytecodeSourceFilename: String
        get() = newClass.orElse(null)?.classFile?.getAttribute("SourceFile")?.let { it as? SourceFileAttribute }?.fileName
            ?: error("Bytecode for $fullyQualifiedName is missing the 'SourceFile' attribute")

            stk.push(new ActivationFrame("file", Optional.of(fa)));
            stk.push(new ActivationFrame("exists", Optional.empty()));
            validator.accept(fa.getExists());
            stk.peek().location = "missing";
            validator.accept(fa.getMissing());
            stk.pop();
            stk.pop();
        });
        root.map(Activation::getOs).ifPresent(oa -> {