### Question:
WrappedDeclaredType extends WrappedTypeMirror { public List<? extends TypeMirror> getTypeArguments() { return type.getTypeArguments(); } WrappedDeclaredType(DeclaredType type, Types types, Elements elements); @Override String className(); String binaryName(); @Override boolean isBoolean(); @Override boolean isDeclaredType(); List<? extends TypeMirror> getTypeArguments(); @Override boolean isOfType(Class<?> type); @Override boolean isAssignableTo(String typeName);  }### Answer:
@Test public void shouldHaveSingleParameterizedType() { assertThat(type.getTypeArguments().size(), equalTo(1)); }