.findExtensionByNumber(type, typeId);
final ExtensionRegistry.ExtensionInfo extension = ((ExtensionRegistry) extensionRegistry) .findExtensionByNumber(type, fieldNumber); if (extension == null) { field = null;
final ExtensionRegistry.ExtensionInfo extension = ((ExtensionRegistry) extensionRegistry) .findExtensionByNumber(type, fieldNumber); if (extension == null) { field = null;
final ExtensionRegistry.ExtensionInfo extension = ((ExtensionRegistry) extensionRegistry) .findExtensionByNumber(type, fieldNumber); if (extension == null) { field = null;