protected static List < FieldDescriptor > getChildFieldDescriptors ( final Descriptor type ) { final List < FieldDescriptor > fields = new ArrayList < FieldDescriptor > ( ) ; for ( final FieldDescriptor field : type . getFields ( ) ) { if ( field . getJavaType ( ) == JavaType . MESSAGE ) { fields . add ( field ) ; } } for ( final FieldDescriptor field : type . getExtensions ( ) ) { if ( field . getJavaType ( ) == JavaType . MESSAGE ) { fields . add ( field ) ; } } return Collections . unmodifiableList ( fields ) ; }
Gets all child MessageOrBuilder descriptors for the type .