code: private ImmutableSet<ASTAnnotation> getAnnotations(Annotation[] annotations) {
  
          ImmutableSet.Builder<ASTAnnotation> astAnnotationBuilder = ImmutableSet.builder();
  
          for (Annotation annotation : annotations) {
              astAnnotationBuilder.add(getAnnotation(annotation));
          }
  
          return astAnnotationBuilder.build();
      }
docs: Build the AST Annotations from the given input annotation array.
  
  @param annotations
  @return List of AST Annotations