test_class.declarator: NAME = "ditto"
test_class.modifier: private static final
test_class.original_string: private static final String NAME = "ditto";
test_class.type: String
test_class.var_name: NAME
test_class.declarator: NAMESPACE = "eclipse"
test_class.modifier: private static final
test_class.original_string: private static final String NAMESPACE = "eclipse";
test_class.type: String
test_class.var_name: NAMESPACE
test_class.declarator: THING_ID = ThingId.of(NAMESPACE, NAME)
test_class.modifier: private static final
test_class.original_string: private static final ThingId THING_ID = ThingId.of(NAMESPACE, NAME);
test_class.type: ThingId
test_class.var_name: THING_ID
test_class.declarator: UNDER_TEST = ImmutableThingPlaceholder.INSTANCE
test_class.modifier: private static final
test_class.original_string: private static final ThingPlaceholder UNDER_TEST = ImmutableThingPlaceholder.INSTANCE;
test_class.type: ThingPlaceholder
test_class.var_name: UNDER_TEST
test_class.file: model/placeholders/src/test/java/org/eclipse/ditto/model/placeholders/ImmutableThingPlaceholderTest.java
test_class.identifier: ImmutableThingPlaceholderTest
test_case.body: @Test
      public void testUnknownPlaceholderReturnsEmpty() {
          assertThat(UNDER_TEST.resolve(THING_ID, "thing_id")).isEmpty();
      }
test_case.class_method_signature: ImmutableThingPlaceholderTest.testUnknownPlaceholderReturnsEmpty()
test_case.full_signature: @Test public void testUnknownPlaceholderReturnsEmpty()
test_case.identifier: testUnknownPlaceholderReturnsEmpty
test_case.invocations: isEmpty assertThat resolve
test_case.modifiers: @Test public
test_case.parameters: ()
test_case.return: void
test_case.signature: void testUnknownPlaceholderReturnsEmpty()
focal_class.declarator: INSTANCE = new ImmutableThingPlaceholder()
focal_class.modifier: static final
focal_class.original_string: static final ImmutableThingPlaceholder INSTANCE = new ImmutableThingPlaceholder();
focal_class.type: ImmutableThingPlaceholder
focal_class.var_name: INSTANCE
focal_class.file: model/placeholders/src/main/java/org/eclipse/ditto/model/placeholders/ImmutableThingPlaceholder.java
focal_class.identifier: ImmutableThingPlaceholder
focal_class.interfaces: implements ThingPlaceholder
focal_class.class_method_signature: ImmutableThingPlaceholder.getPrefix()
focal_class.full_signature: @Override public String getPrefix()
focal_class.identifier: getPrefix
focal_class.modifiers: @Override public
focal_class.parameters: ()
focal_class.return: String
focal_class.signature: String getPrefix()
focal_class.class_method_signature: ImmutableThingPlaceholder.resolve(final CharSequence thingId, final String placeholder)
focal_class.full_signature: @Override public Optional<String> resolve(final CharSequence thingId, final String placeholder)
focal_class.identifier: resolve
focal_class.modifiers: @Override public
focal_class.parameters: (final CharSequence thingId, final String placeholder)
focal_class.return: Optional<String>
focal_class.signature: Optional<String> resolve(final CharSequence thingId, final String placeholder)
focal_class.superclass: extends AbstractEntityPlaceholder<ThingId>
focal_method.body: @Override
      public Optional<String> resolve(final CharSequence thingId, final String placeholder) {
          argumentNotEmpty(placeholder, "placeholder");
          checkNotNull(thingId, "Thing ID");
          if (thingId instanceof ThingId) {
              return doResolve(((ThingId) thingId), placeholder);
          } else {
              return Optional.empty();
          }
      }
focal_method.class_method_signature: ImmutableThingPlaceholder.resolve(final CharSequence thingId, final String placeholder)
focal_method.full_signature: @Override public Optional<String> resolve(final CharSequence thingId, final String placeholder)
focal_method.identifier: resolve
focal_method.invocations: argumentNotEmpty checkNotNull doResolve empty
focal_method.modifiers: @Override public
focal_method.parameters: (final CharSequence thingId, final String placeholder)
focal_method.return: Optional<String>
focal_method.signature: Optional<String> resolve(final CharSequence thingId, final String placeholder)