}

                val propertyNames = packageFragmentProto.`package`.propertyList
                    .map { propertyProto -> nameResolver.getName(propertyProto.name) }

                val functionNames = packageFragmentProto.`package`.functionList
                    .map { functionProto -> nameResolver.getName(functionProto.name) }

                val callableNames = (propertyNames + functionNames).distinct()

fun Project.gradleProperty(propertyName: String) = providers.gradleProperty(propertyName)


fun Project.systemProperty(propertyName: String) = providers.systemProperty(propertyName)


fun Project.environmentVariable(propertyName: String) = providers.environmentVariable(propertyName)


fun Project.propertyFromAnySource(propertyName: String) = gradleProperty(propertyName)
    .orElse(systemProperty(propertyName))

        this._source = source;
        this._convention = convention;
        this._propertyNames = JavaPropertyReflectionUtil.propertyNames(source);
        this._ineligiblePropertyNames = new HashSet<>();
    }

    private MappedProperty map(String propertyName, MappedPropertyImpl mapping) {
        if (!_propertyNames.contains(propertyName)) {
            throw new InvalidUserDataException(

        this.delegate = delegate;
        this.listener = listener;
    }

    @Override
    public Enumeration<?> propertyNames() {
        reportAggregatingAccess();
        return delegate.propertyNames();
    }

    @Override
    public Set<String> stringPropertyNames() {
        return new AccessTrackingSet<>(delegate.stringPropertyNames(), trackingListener());
    }

    properties: Optional[Dict[str, "SchemaOrBool"]] = None
    patternProperties: Optional[Dict[str, "SchemaOrBool"]] = None
    additionalProperties: Optional["SchemaOrBool"] = None
    propertyNames: Optional["SchemaOrBool"] = None
    unevaluatedItems: Optional["SchemaOrBool"] = None
    unevaluatedProperties: Optional["SchemaOrBool"] = None

  @SuppressWarnings("serial") // never serialized
  public void testFromPropertiesNullKey() {
    Properties properties =
        new Properties() {
          @Override
          public Enumeration<?> propertyNames() {
            return Iterators.asEnumeration(Arrays.asList(null, "first", "second").iterator());
          }
        };
    properties.setProperty("first", "true");
    properties.setProperty("second", "null");

    ImmutableMap.Builder<String, String> builder = ImmutableMap.builder();

    for (Enumeration<?> e = properties.propertyNames(); e.hasMoreElements(); ) {
      /*
       * requireNonNull is safe because propertyNames contains only non-null elements.
       *
       * Accordingly, we have it annotated as returning `Enumeration<? extends Object>` in our

    ImmutableMap.Builder<String, String> builder = ImmutableMap.builder();

    for (Enumeration<?> e = properties.propertyNames(); e.hasMoreElements(); ) {
      /*
       * requireNonNull is safe because propertyNames contains only non-null elements.
       *
       * Accordingly, we have it annotated as returning `Enumeration<? extends Object>` in our

        @Override
        public void doValidate(String propertyName, Object value, PropertyValidationContext context) {
        }

        @Override
        public void validate(String propertyName, Supplier<Object> propertyValue, PropertyValidationContext context) {
        }
    },
    INPUT_FILE_VALIDATOR("file") {
        @Override
        public void doValidate(String propertyName, Object value, PropertyValidationContext context) {

        writeNextProperty(propertyName, propertyValue, kind)
    }

    suspend fun writeInputProperty(propertyName: String, propertyValue: Any?) =
        writeProperty(propertyName, propertyValue, PropertyKind.InputProperty)

    suspend fun writeOutputProperty(propertyName: String, propertyValue: Any?) =
        writeProperty(propertyName, propertyValue, PropertyKind.OutputProperty)