command.addImport(Metadata.class);
command.addImport(Categories.class);
command.addImport(Result.class);
command.addImport(Results.class);
Method<JavaClass> getMetadataMethod = command.addMethod()
.setPublic()
.setName("getMetadata")
.setReturnType(UICommandMetadata.class)
.setParameters("UIContext context");
getMetadataMethod.addAnnotation(Override.class);