class_docstr: Descriptor for a single field in a .proto file.
  
  Attributes:
    name (str): Name of this field, exactly as it appears in .proto.
    full_name (str): Name of this field, including containing scope.  This is
      particularly relevant for extensions.
    index (int): Dense, 0-indexed index giving the order that this
      field textually appears within its message in the .proto file.
    number (int): Tag number declared for this field in the .proto file.
  
    type (int): (One of the TYPE_* constants below) Declared type.
    cpp_type (int): (One of the CPPTYPE_* constants below) C++ type used to
      represent this field.
  
    label (int): (One of the LABEL_* constants below) Tells whether this
      field is optional, required, or repeated.
    has_default_value (bool): True if this field has a default value defined,
      otherwise false.
    default_value (Varies): Default value of this field.  Only
      meaningful for non-repeated scalar fields.  Repeated fields
      should always set this to [], and non-repeated composite
      fields should always set this to None.
  
    containing_type (Descriptor): Descriptor of the protocol message
      type that contains this field.  Set by the Descriptor constructor
      if we're passed into one.
      Somewhat confusingly, for extension fields, this is the
      descriptor of the EXTENDED message, not the descriptor
      of the message containing this field.  (See is_extension and
      extension_scope below).
    message_type (Descriptor): If a composite field, a descriptor
      of the message type contained in this field.  Otherwise, this is None.
    enum_type (EnumDescriptor): If this field contains an enum, a
      descriptor of that enum.  Otherwise, this is None.
  
    is_extension: True iff this describes an extension field.
    extension_scope (Descriptor): Only meaningful if is_extension is True.
      Gives the message that immediately contains this extension field.
      Will be None iff we're a top-level (file-level) extension field.
  
    options (descriptor_pb2.FieldOptions): Protocol message field options or
      None to use default field options.
  
    containing_oneof (OneofDescriptor): If the field is a member of a oneof
      union, contains its descriptor. Otherwise, None.
  
    file (FileDescriptor): Reference to file descriptor.
docstr: Camelcase name of this field.
  
  Returns:
    str: the name in CamelCase.
docstr_tok: ["Camelcase","name","of","this","field",".","Returns",":","str",":","the","name","in","CamelCase","."]
code: def camelcase_name(self):
      """Camelcase name of this field.
  
      Returns:
        str: the name in CamelCase.
      """
      if self._camelcase_name is None:
          self._camelcase_name = _ToCamelCase(self.name)
      return self._camelcase_name
  
imports: import threading
  import warnings
  from google.protobuf.internal import api_implementation
label_desc: Use image node_id 2 for calling the FieldDescriptor obj's underlying member method code with example usage: obj.camelcase_name() and returns: self