test_class.file: server/src/test/java/io/spine/server/delivery/EndpointsTest.java
test_class.identifier: EndpointsTest
test_case.body: @Test
      @DisplayName("be empty by default")
      void beEmpty() {
          Endpoints<String, CommandEnvelope> endpoints = new Endpoints<>();
          assertThat(endpoints.isEmpty()).isTrue();
      }
test_case.class_method_signature: EndpointsTest.beEmpty()
test_case.full_signature: @Test @DisplayName("be empty by default") void beEmpty()
test_case.identifier: beEmpty
test_case.invocations: isTrue assertThat isEmpty
test_case.modifiers: @Test @DisplayName("be empty by default")
test_case.parameters: ()
test_case.return: void
test_case.signature: void beEmpty()
focal_class.declarator: endpoints =
              new EnumMap<>(InboxLabel.class)
focal_class.modifier: private final
focal_class.original_string: private final Map<InboxLabel, LazyEndpoint<I, M>> endpoints =
              new EnumMap<>(InboxLabel.class);
focal_class.type: Map<InboxLabel, LazyEndpoint<I, M>>
focal_class.var_name: endpoints
focal_class.file: server/src/main/java/io/spine/server/delivery/Endpoints.java
focal_class.identifier: Endpoints
focal_class.class_method_signature: Endpoints.add(InboxLabel label, LazyEndpoint<I, M> lazyEndpoint)
focal_class.full_signature:  void add(InboxLabel label, LazyEndpoint<I, M> lazyEndpoint)
focal_class.identifier: add
focal_class.parameters: (InboxLabel label, LazyEndpoint<I, M> lazyEndpoint)
focal_class.return: void
focal_class.signature: void add(InboxLabel label, LazyEndpoint<I, M> lazyEndpoint)
focal_class.class_method_signature: Endpoints.get(InboxLabel label, M envelope)
focal_class.full_signature:  Optional<MessageEndpoint<I, M>> get(InboxLabel label, M envelope)
focal_class.identifier: get
focal_class.parameters: (InboxLabel label, M envelope)
focal_class.return: Optional<MessageEndpoint<I, M>>
focal_class.signature: Optional<MessageEndpoint<I, M>> get(InboxLabel label, M envelope)
focal_class.class_method_signature: Endpoints.isEmpty()
focal_class.full_signature:  boolean isEmpty()
focal_class.identifier: isEmpty
focal_class.parameters: ()
focal_class.return: boolean
focal_class.signature: boolean isEmpty()
focal_method.body: boolean isEmpty() {
          return endpoints.isEmpty();
      }
focal_method.class_method_signature: Endpoints.isEmpty()
focal_method.full_signature:  boolean isEmpty()
focal_method.identifier: isEmpty
focal_method.invocations: isEmpty
focal_method.parameters: ()
focal_method.return: boolean
focal_method.signature: boolean isEmpty()