Revert unneeded protobuf changes

ml-agents-envs/mlagents_envs/communicator_objects/agent_action_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.internal.containers import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
-    vector_actions: google___protobuf___internal___containers___RepeatedScalarFieldContainer[builtin___float] = ...
-    value: builtin___float = ...
+    vector_actions = ... # type: google___protobuf___internal___containers___RepeatedScalarFieldContainer[builtin___float]
+    value = ... # type: builtin___float
 
     def __init__(self,
         *,
-    def ClearField(self, field_name: typing_extensions___Literal[u"value",b"value",u"vector_actions",b"vector_actions"]) -> None: ...
-type___AgentActionProto = AgentActionProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> AgentActionProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def ClearField(self, field_name: typing_extensions___Literal[u"value",u"vector_actions"]) -> None: ...
+    else:
+        def ClearField(self, field_name: typing_extensions___Literal[u"value",b"value",u"vector_actions",b"vector_actions"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/agent_info_action_pair_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.message import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
 class AgentInfoActionPairProto(google___protobuf___message___Message):
     DESCRIPTOR: google___protobuf___descriptor___Descriptor = ...
 
         agent_info : typing___Optional[mlagents_envs___communicator_objects___agent_info_pb2___AgentInfoProto] = None,
         action_info : typing___Optional[mlagents_envs___communicator_objects___agent_action_pb2___AgentActionProto] = None,
         ) -> None: ...
-    def HasField(self, field_name: typing_extensions___Literal[u"action_info",b"action_info",u"agent_info",b"agent_info"]) -> builtin___bool: ...
-    def ClearField(self, field_name: typing_extensions___Literal[u"action_info",b"action_info",u"agent_info",b"agent_info"]) -> None: ...
-type___AgentInfoActionPairProto = AgentInfoActionPairProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> AgentInfoActionPairProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def HasField(self, field_name: typing_extensions___Literal[u"action_info",u"agent_info"]) -> builtin___bool: ...
+        def ClearField(self, field_name: typing_extensions___Literal[u"action_info",u"agent_info"]) -> None: ...
+    else:
+        def HasField(self, field_name: typing_extensions___Literal[u"action_info",b"action_info",u"agent_info",b"agent_info"]) -> builtin___bool: ...
+        def ClearField(self, field_name: typing_extensions___Literal[u"action_info",b"action_info",u"agent_info",b"agent_info"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/agent_info_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.internal.containers import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
-    reward: builtin___float = ...
-    done: builtin___bool = ...
-    max_step_reached: builtin___bool = ...
-    id: builtin___int = ...
-    action_mask: google___protobuf___internal___containers___RepeatedScalarFieldContainer[builtin___bool] = ...
+    reward = ... # type: builtin___float
+    done = ... # type: builtin___bool
+    max_step_reached = ... # type: builtin___bool
+    id = ... # type: builtin___int
+    action_mask = ... # type: google___protobuf___internal___containers___RepeatedScalarFieldContainer[builtin___bool]
 
     @property
     def observations(self) -> google___protobuf___internal___containers___RepeatedCompositeFieldContainer[mlagents_envs___communicator_objects___observation_pb2___ObservationProto]: ...
         action_mask : typing___Optional[typing___Iterable[builtin___bool]] = None,
         observations : typing___Optional[typing___Iterable[mlagents_envs___communicator_objects___observation_pb2___ObservationProto]] = None,
         ) -> None: ...
-    def ClearField(self, field_name: typing_extensions___Literal[u"action_mask",b"action_mask",u"done",b"done",u"id",b"id",u"max_step_reached",b"max_step_reached",u"observations",b"observations",u"reward",b"reward"]) -> None: ...
-type___AgentInfoProto = AgentInfoProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> AgentInfoProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def ClearField(self, field_name: typing_extensions___Literal[u"action_mask",u"done",u"id",u"max_step_reached",u"observations",u"reward"]) -> None: ...
+    else:
+        def ClearField(self, field_name: typing_extensions___Literal[u"action_mask",b"action_mask",u"done",b"done",u"id",b"id",u"max_step_reached",b"max_step_reached",u"observations",b"observations",u"reward",b"reward"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/brain_parameters_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.internal.containers import (
 )
 
 from mlagents_envs.communicator_objects.space_type_pb2 import (
-    SpaceTypeProtoValue as mlagents_envs___communicator_objects___space_type_pb2___SpaceTypeProtoValue,
+    SpaceTypeProto as mlagents_envs___communicator_objects___space_type_pb2___SpaceTypeProto,
 )
 
 from typing import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
-    vector_action_size: google___protobuf___internal___containers___RepeatedScalarFieldContainer[builtin___int] = ...
-    vector_action_descriptions: google___protobuf___internal___containers___RepeatedScalarFieldContainer[typing___Text] = ...
-    vector_action_space_type: mlagents_envs___communicator_objects___space_type_pb2___SpaceTypeProtoValue = ...
-    brain_name: typing___Text = ...
-    is_training: builtin___bool = ...
+    vector_action_size = ... # type: google___protobuf___internal___containers___RepeatedScalarFieldContainer[builtin___int]
+    vector_action_descriptions = ... # type: google___protobuf___internal___containers___RepeatedScalarFieldContainer[typing___Text]
+    vector_action_space_type = ... # type: mlagents_envs___communicator_objects___space_type_pb2___SpaceTypeProto
+    brain_name = ... # type: typing___Text
+    is_training = ... # type: builtin___bool
-        vector_action_space_type : typing___Optional[mlagents_envs___communicator_objects___space_type_pb2___SpaceTypeProtoValue] = None,
+        vector_action_space_type : typing___Optional[mlagents_envs___communicator_objects___space_type_pb2___SpaceTypeProto] = None,
-    def ClearField(self, field_name: typing_extensions___Literal[u"brain_name",b"brain_name",u"is_training",b"is_training",u"vector_action_descriptions",b"vector_action_descriptions",u"vector_action_size",b"vector_action_size",u"vector_action_space_type",b"vector_action_space_type"]) -> None: ...
-type___BrainParametersProto = BrainParametersProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> BrainParametersProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def ClearField(self, field_name: typing_extensions___Literal[u"brain_name",u"is_training",u"vector_action_descriptions",u"vector_action_size",u"vector_action_space_type"]) -> None: ...
+    else:
+        def ClearField(self, field_name: typing_extensions___Literal[u"brain_name",b"brain_name",u"is_training",b"is_training",u"vector_action_descriptions",b"vector_action_descriptions",u"vector_action_size",b"vector_action_size",u"vector_action_space_type",b"vector_action_space_type"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/capabilities_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.message import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
-    baseRLCapabilities: builtin___bool = ...
+    baseRLCapabilities = ... # type: builtin___bool
-    def ClearField(self, field_name: typing_extensions___Literal[u"baseRLCapabilities",b"baseRLCapabilities"]) -> None: ...
-type___UnityRLCapabilitiesProto = UnityRLCapabilitiesProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> UnityRLCapabilitiesProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def ClearField(self, field_name: typing_extensions___Literal[u"baseRLCapabilities"]) -> None: ...
+    else:
+        def ClearField(self, field_name: typing_extensions___Literal[u"baseRLCapabilities",b"baseRLCapabilities"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/command_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     EnumDescriptor as google___protobuf___descriptor___EnumDescriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
-)
-
-from google.protobuf.internal.enum_type_wrapper import (
-    _EnumTypeWrapper as google___protobuf___internal___enum_type_wrapper____EnumTypeWrapper,
 )
 
 from google.protobuf.message import (
 from typing import (
-    NewType as typing___NewType,
+    List as typing___List,
+    Tuple as typing___Tuple,
+builtin___str = str
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
-CommandProtoValue = typing___NewType('CommandProtoValue', builtin___int)
-type___CommandProtoValue = CommandProtoValue
-CommandProto: _CommandProto
-class _CommandProto(google___protobuf___internal___enum_type_wrapper____EnumTypeWrapper[CommandProtoValue]):
+class CommandProto(builtin___int):
-    STEP = typing___cast(CommandProtoValue, 0)
-    RESET = typing___cast(CommandProtoValue, 1)
-    QUIT = typing___cast(CommandProtoValue, 2)
-STEP = typing___cast(CommandProtoValue, 0)
-RESET = typing___cast(CommandProtoValue, 1)
-QUIT = typing___cast(CommandProtoValue, 2)
-type___CommandProto = CommandProto
+    @classmethod
+    def Name(cls, number: builtin___int) -> builtin___str: ...
+    @classmethod
+    def Value(cls, name: builtin___str) -> 'CommandProto': ...
+    @classmethod
+    def keys(cls) -> typing___List[builtin___str]: ...
+    @classmethod
+    def values(cls) -> typing___List['CommandProto']: ...
+    @classmethod
+    def items(cls) -> typing___List[typing___Tuple[builtin___str, 'CommandProto']]: ...
+    STEP = typing___cast('CommandProto', 0)
+    RESET = typing___cast('CommandProto', 1)
+    QUIT = typing___cast('CommandProto', 2)
+STEP = typing___cast('CommandProto', 0)
+RESET = typing___cast('CommandProto', 1)
+QUIT = typing___cast('CommandProto', 2)

ml-agents-envs/mlagents_envs/communicator_objects/custom_reset_parameters_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.message import (
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
+builtin___bytes = bytes
+
 
 class CustomResetParametersProto(google___protobuf___message___Message):
     DESCRIPTOR: google___protobuf___descriptor___Descriptor = ...
-type___CustomResetParametersProto = CustomResetParametersProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> CustomResetParametersProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/demonstration_meta_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.message import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
-    api_version: builtin___int = ...
-    demonstration_name: typing___Text = ...
-    number_steps: builtin___int = ...
-    number_episodes: builtin___int = ...
-    mean_reward: builtin___float = ...
+    api_version = ... # type: builtin___int
+    demonstration_name = ... # type: typing___Text
+    number_steps = ... # type: builtin___int
+    number_episodes = ... # type: builtin___int
+    mean_reward = ... # type: builtin___float
 
     def __init__(self,
         *,
         number_episodes : typing___Optional[builtin___int] = None,
         mean_reward : typing___Optional[builtin___float] = None,
         ) -> None: ...
-    def ClearField(self, field_name: typing_extensions___Literal[u"api_version",b"api_version",u"demonstration_name",b"demonstration_name",u"mean_reward",b"mean_reward",u"number_episodes",b"number_episodes",u"number_steps",b"number_steps"]) -> None: ...
-type___DemonstrationMetaProto = DemonstrationMetaProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> DemonstrationMetaProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def ClearField(self, field_name: typing_extensions___Literal[u"api_version",u"demonstration_name",u"mean_reward",u"number_episodes",u"number_steps"]) -> None: ...
+    else:
+        def ClearField(self, field_name: typing_extensions___Literal[u"api_version",b"api_version",u"demonstration_name",b"demonstration_name",u"mean_reward",b"mean_reward",u"number_episodes",b"number_episodes",u"number_steps",b"number_steps"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/engine_configuration_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.message import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
-    width: builtin___int = ...
-    height: builtin___int = ...
-    quality_level: builtin___int = ...
-    time_scale: builtin___float = ...
-    target_frame_rate: builtin___int = ...
-    show_monitor: builtin___bool = ...
+    width = ... # type: builtin___int
+    height = ... # type: builtin___int
+    quality_level = ... # type: builtin___int
+    time_scale = ... # type: builtin___float
+    target_frame_rate = ... # type: builtin___int
+    show_monitor = ... # type: builtin___bool
 
     def __init__(self,
         *,
         target_frame_rate : typing___Optional[builtin___int] = None,
         show_monitor : typing___Optional[builtin___bool] = None,
         ) -> None: ...
-    def ClearField(self, field_name: typing_extensions___Literal[u"height",b"height",u"quality_level",b"quality_level",u"show_monitor",b"show_monitor",u"target_frame_rate",b"target_frame_rate",u"time_scale",b"time_scale",u"width",b"width"]) -> None: ...
-type___EngineConfigurationProto = EngineConfigurationProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> EngineConfigurationProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def ClearField(self, field_name: typing_extensions___Literal[u"height",u"quality_level",u"show_monitor",u"target_frame_rate",u"time_scale",u"width"]) -> None: ...
+    else:
+        def ClearField(self, field_name: typing_extensions___Literal[u"height",b"height",u"quality_level",b"quality_level",u"show_monitor",b"show_monitor",u"target_frame_rate",b"target_frame_rate",u"time_scale",b"time_scale",u"width",b"width"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/header_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.message import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
-    status: builtin___int = ...
-    message: typing___Text = ...
+    status = ... # type: builtin___int
+    message = ... # type: typing___Text
 
     def __init__(self,
         *,
-    def ClearField(self, field_name: typing_extensions___Literal[u"message",b"message",u"status",b"status"]) -> None: ...
-type___HeaderProto = HeaderProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> HeaderProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def ClearField(self, field_name: typing_extensions___Literal[u"message",u"status"]) -> None: ...
+    else:
+        def ClearField(self, field_name: typing_extensions___Literal[u"message",b"message",u"status",b"status"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/space_type_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     EnumDescriptor as google___protobuf___descriptor___EnumDescriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
-)
-
-from google.protobuf.internal.enum_type_wrapper import (
-    _EnumTypeWrapper as google___protobuf___internal___enum_type_wrapper____EnumTypeWrapper,
 )
 
 from google.protobuf.message import (
 from typing import (
-    NewType as typing___NewType,
+    List as typing___List,
+    Tuple as typing___Tuple,
-
+builtin___str = str
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-SpaceTypeProtoValue = typing___NewType('SpaceTypeProtoValue', builtin___int)
-type___SpaceTypeProtoValue = SpaceTypeProtoValue
-SpaceTypeProto: _SpaceTypeProto
-class _SpaceTypeProto(google___protobuf___internal___enum_type_wrapper____EnumTypeWrapper[SpaceTypeProtoValue]):
+class SpaceTypeProto(builtin___int):
-    discrete = typing___cast(SpaceTypeProtoValue, 0)
-    continuous = typing___cast(SpaceTypeProtoValue, 1)
-discrete = typing___cast(SpaceTypeProtoValue, 0)
-continuous = typing___cast(SpaceTypeProtoValue, 1)
-type___SpaceTypeProto = SpaceTypeProto
+    @classmethod
+    def Name(cls, number: builtin___int) -> builtin___str: ...
+    @classmethod
+    def Value(cls, name: builtin___str) -> 'SpaceTypeProto': ...
+    @classmethod
+    def keys(cls) -> typing___List[builtin___str]: ...
+    @classmethod
+    def values(cls) -> typing___List['SpaceTypeProto']: ...
+    @classmethod
+    def items(cls) -> typing___List[typing___Tuple[builtin___str, 'SpaceTypeProto']]: ...
+    discrete = typing___cast('SpaceTypeProto', 0)
+    continuous = typing___cast('SpaceTypeProto', 1)
+discrete = typing___cast('SpaceTypeProto', 0)
+continuous = typing___cast('SpaceTypeProto', 1)

ml-agents-envs/mlagents_envs/communicator_objects/unity_input_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.message import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
 class UnityInputProto(google___protobuf___message___Message):
     DESCRIPTOR: google___protobuf___descriptor___Descriptor = ...
 
         rl_input : typing___Optional[mlagents_envs___communicator_objects___unity_rl_input_pb2___UnityRLInputProto] = None,
         rl_initialization_input : typing___Optional[mlagents_envs___communicator_objects___unity_rl_initialization_input_pb2___UnityRLInitializationInputProto] = None,
         ) -> None: ...
-    def HasField(self, field_name: typing_extensions___Literal[u"rl_initialization_input",b"rl_initialization_input",u"rl_input",b"rl_input"]) -> builtin___bool: ...
-    def ClearField(self, field_name: typing_extensions___Literal[u"rl_initialization_input",b"rl_initialization_input",u"rl_input",b"rl_input"]) -> None: ...
-type___UnityInputProto = UnityInputProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> UnityInputProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def HasField(self, field_name: typing_extensions___Literal[u"rl_initialization_input",u"rl_input"]) -> builtin___bool: ...
+        def ClearField(self, field_name: typing_extensions___Literal[u"rl_initialization_input",u"rl_input"]) -> None: ...
+    else:
+        def HasField(self, field_name: typing_extensions___Literal[u"rl_initialization_input",b"rl_initialization_input",u"rl_input",b"rl_input"]) -> builtin___bool: ...
+        def ClearField(self, field_name: typing_extensions___Literal[u"rl_initialization_input",b"rl_initialization_input",u"rl_input",b"rl_input"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/unity_message_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.message import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
 class UnityMessageProto(google___protobuf___message___Message):
     DESCRIPTOR: google___protobuf___descriptor___Descriptor = ...
 
         unity_output : typing___Optional[mlagents_envs___communicator_objects___unity_output_pb2___UnityOutputProto] = None,
         unity_input : typing___Optional[mlagents_envs___communicator_objects___unity_input_pb2___UnityInputProto] = None,
         ) -> None: ...
-    def HasField(self, field_name: typing_extensions___Literal[u"header",b"header",u"unity_input",b"unity_input",u"unity_output",b"unity_output"]) -> builtin___bool: ...
-    def ClearField(self, field_name: typing_extensions___Literal[u"header",b"header",u"unity_input",b"unity_input",u"unity_output",b"unity_output"]) -> None: ...
-type___UnityMessageProto = UnityMessageProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> UnityMessageProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def HasField(self, field_name: typing_extensions___Literal[u"header",u"unity_input",u"unity_output"]) -> builtin___bool: ...
+        def ClearField(self, field_name: typing_extensions___Literal[u"header",u"unity_input",u"unity_output"]) -> None: ...
+    else:
+        def HasField(self, field_name: typing_extensions___Literal[u"header",b"header",u"unity_input",b"unity_input",u"unity_output",b"unity_output"]) -> builtin___bool: ...
+        def ClearField(self, field_name: typing_extensions___Literal[u"header",b"header",u"unity_input",b"unity_input",u"unity_output",b"unity_output"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/unity_output_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.message import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
 class UnityOutputProto(google___protobuf___message___Message):
     DESCRIPTOR: google___protobuf___descriptor___Descriptor = ...
 
         rl_output : typing___Optional[mlagents_envs___communicator_objects___unity_rl_output_pb2___UnityRLOutputProto] = None,
         rl_initialization_output : typing___Optional[mlagents_envs___communicator_objects___unity_rl_initialization_output_pb2___UnityRLInitializationOutputProto] = None,
         ) -> None: ...
-    def HasField(self, field_name: typing_extensions___Literal[u"rl_initialization_output",b"rl_initialization_output",u"rl_output",b"rl_output"]) -> builtin___bool: ...
-    def ClearField(self, field_name: typing_extensions___Literal[u"rl_initialization_output",b"rl_initialization_output",u"rl_output",b"rl_output"]) -> None: ...
-type___UnityOutputProto = UnityOutputProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> UnityOutputProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def HasField(self, field_name: typing_extensions___Literal[u"rl_initialization_output",u"rl_output"]) -> builtin___bool: ...
+        def ClearField(self, field_name: typing_extensions___Literal[u"rl_initialization_output",u"rl_output"]) -> None: ...
+    else:
+        def HasField(self, field_name: typing_extensions___Literal[u"rl_initialization_output",b"rl_initialization_output",u"rl_output",b"rl_output"]) -> builtin___bool: ...
+        def ClearField(self, field_name: typing_extensions___Literal[u"rl_initialization_output",b"rl_initialization_output",u"rl_output",b"rl_output"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/unity_rl_initialization_input_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.message import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
-    seed: builtin___int = ...
-    communication_version: typing___Text = ...
-    package_version: typing___Text = ...
+    seed = ... # type: builtin___int
+    communication_version = ... # type: typing___Text
+    package_version = ... # type: typing___Text
 
     @property
     def capabilities(self) -> mlagents_envs___communicator_objects___capabilities_pb2___UnityRLCapabilitiesProto: ...
         package_version : typing___Optional[typing___Text] = None,
         capabilities : typing___Optional[mlagents_envs___communicator_objects___capabilities_pb2___UnityRLCapabilitiesProto] = None,
         ) -> None: ...
-    def HasField(self, field_name: typing_extensions___Literal[u"capabilities",b"capabilities"]) -> builtin___bool: ...
-    def ClearField(self, field_name: typing_extensions___Literal[u"capabilities",b"capabilities",u"communication_version",b"communication_version",u"package_version",b"package_version",u"seed",b"seed"]) -> None: ...
-type___UnityRLInitializationInputProto = UnityRLInitializationInputProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> UnityRLInitializationInputProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def HasField(self, field_name: typing_extensions___Literal[u"capabilities"]) -> builtin___bool: ...
+        def ClearField(self, field_name: typing_extensions___Literal[u"capabilities",u"communication_version",u"package_version",u"seed"]) -> None: ...
+    else:
+        def HasField(self, field_name: typing_extensions___Literal[u"capabilities",b"capabilities"]) -> builtin___bool: ...
+        def ClearField(self, field_name: typing_extensions___Literal[u"capabilities",b"capabilities",u"communication_version",b"communication_version",u"package_version",b"package_version",u"seed",b"seed"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/unity_rl_initialization_output_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.internal.containers import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
-    name: typing___Text = ...
-    communication_version: typing___Text = ...
-    log_path: typing___Text = ...
-    package_version: typing___Text = ...
+    name = ... # type: typing___Text
+    communication_version = ... # type: typing___Text
+    log_path = ... # type: typing___Text
+    package_version = ... # type: typing___Text
 
     @property
     def brain_parameters(self) -> google___protobuf___internal___containers___RepeatedCompositeFieldContainer[mlagents_envs___communicator_objects___brain_parameters_pb2___BrainParametersProto]: ...
         package_version : typing___Optional[typing___Text] = None,
         capabilities : typing___Optional[mlagents_envs___communicator_objects___capabilities_pb2___UnityRLCapabilitiesProto] = None,
         ) -> None: ...
-    def HasField(self, field_name: typing_extensions___Literal[u"capabilities",b"capabilities"]) -> builtin___bool: ...
-    def ClearField(self, field_name: typing_extensions___Literal[u"brain_parameters",b"brain_parameters",u"capabilities",b"capabilities",u"communication_version",b"communication_version",u"log_path",b"log_path",u"name",b"name",u"package_version",b"package_version"]) -> None: ...
-type___UnityRLInitializationOutputProto = UnityRLInitializationOutputProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> UnityRLInitializationOutputProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def HasField(self, field_name: typing_extensions___Literal[u"capabilities"]) -> builtin___bool: ...
+        def ClearField(self, field_name: typing_extensions___Literal[u"brain_parameters",u"capabilities",u"communication_version",u"log_path",u"name",u"package_version"]) -> None: ...
+    else:
+        def HasField(self, field_name: typing_extensions___Literal[u"capabilities",b"capabilities"]) -> builtin___bool: ...
+        def ClearField(self, field_name: typing_extensions___Literal[u"brain_parameters",b"brain_parameters",u"capabilities",b"capabilities",u"communication_version",b"communication_version",u"log_path",b"log_path",u"name",b"name",u"package_version",b"package_version"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/unity_rl_input_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.internal.containers import (
 )
 
 from mlagents_envs.communicator_objects.command_pb2 import (
-    CommandProtoValue as mlagents_envs___communicator_objects___command_pb2___CommandProtoValue,
+    CommandProto as mlagents_envs___communicator_objects___command_pb2___CommandProto,
 )
 
 from typing import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
 class UnityRLInputProto(google___protobuf___message___Message):
     DESCRIPTOR: google___protobuf___descriptor___Descriptor = ...
     class ListAgentActionProto(google___protobuf___message___Message):
             *,
             value : typing___Optional[typing___Iterable[mlagents_envs___communicator_objects___agent_action_pb2___AgentActionProto]] = None,
             ) -> None: ...
-        def ClearField(self, field_name: typing_extensions___Literal[u"value",b"value"]) -> None: ...
-    type___ListAgentActionProto = ListAgentActionProto
+        @classmethod
+        def FromString(cls, s: builtin___bytes) -> UnityRLInputProto.ListAgentActionProto: ...
+        def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+        def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+        if sys.version_info >= (3,):
+            def ClearField(self, field_name: typing_extensions___Literal[u"value"]) -> None: ...
+        else:
+            def ClearField(self, field_name: typing_extensions___Literal[u"value",b"value"]) -> None: ...
-        key: typing___Text = ...
+        key = ... # type: typing___Text
-        def value(self) -> type___UnityRLInputProto.ListAgentActionProto: ...
+        def value(self) -> UnityRLInputProto.ListAgentActionProto: ...
-            value : typing___Optional[type___UnityRLInputProto.ListAgentActionProto] = None,
+            value : typing___Optional[UnityRLInputProto.ListAgentActionProto] = None,
-        def HasField(self, field_name: typing_extensions___Literal[u"value",b"value"]) -> builtin___bool: ...
-        def ClearField(self, field_name: typing_extensions___Literal[u"key",b"key",u"value",b"value"]) -> None: ...
-    type___AgentActionsEntry = AgentActionsEntry
+        @classmethod
+        def FromString(cls, s: builtin___bytes) -> UnityRLInputProto.AgentActionsEntry: ...
+        def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+        def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+        if sys.version_info >= (3,):
+            def HasField(self, field_name: typing_extensions___Literal[u"value"]) -> builtin___bool: ...
+            def ClearField(self, field_name: typing_extensions___Literal[u"key",u"value"]) -> None: ...
+        else:
+            def HasField(self, field_name: typing_extensions___Literal[u"value",b"value"]) -> builtin___bool: ...
+            def ClearField(self, field_name: typing_extensions___Literal[u"key",b"key",u"value",b"value"]) -> None: ...
-    command: mlagents_envs___communicator_objects___command_pb2___CommandProtoValue = ...
-    side_channel: builtin___bytes = ...
+    command = ... # type: mlagents_envs___communicator_objects___command_pb2___CommandProto
+    side_channel = ... # type: builtin___bytes
-    def agent_actions(self) -> typing___MutableMapping[typing___Text, type___UnityRLInputProto.ListAgentActionProto]: ...
+    def agent_actions(self) -> typing___MutableMapping[typing___Text, UnityRLInputProto.ListAgentActionProto]: ...
-        agent_actions : typing___Optional[typing___Mapping[typing___Text, type___UnityRLInputProto.ListAgentActionProto]] = None,
-        command : typing___Optional[mlagents_envs___communicator_objects___command_pb2___CommandProtoValue] = None,
+        agent_actions : typing___Optional[typing___Mapping[typing___Text, UnityRLInputProto.ListAgentActionProto]] = None,
+        command : typing___Optional[mlagents_envs___communicator_objects___command_pb2___CommandProto] = None,
-    def ClearField(self, field_name: typing_extensions___Literal[u"agent_actions",b"agent_actions",u"command",b"command",u"side_channel",b"side_channel"]) -> None: ...
-type___UnityRLInputProto = UnityRLInputProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> UnityRLInputProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def ClearField(self, field_name: typing_extensions___Literal[u"agent_actions",u"command",u"side_channel"]) -> None: ...
+    else:
+        def ClearField(self, field_name: typing_extensions___Literal[u"agent_actions",b"agent_actions",u"command",b"command",u"side_channel",b"side_channel"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/unity_rl_output_pb2.pyi

 import sys
 from google.protobuf.descriptor import (
     Descriptor as google___protobuf___descriptor___Descriptor,
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
 )
 
 from google.protobuf.internal.containers import (
 builtin___int = int
 
 
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...
-
 class UnityRLOutputProto(google___protobuf___message___Message):
     DESCRIPTOR: google___protobuf___descriptor___Descriptor = ...
     class ListAgentInfoProto(google___protobuf___message___Message):
             *,
             value : typing___Optional[typing___Iterable[mlagents_envs___communicator_objects___agent_info_pb2___AgentInfoProto]] = None,
             ) -> None: ...
-        def ClearField(self, field_name: typing_extensions___Literal[u"value",b"value"]) -> None: ...
-    type___ListAgentInfoProto = ListAgentInfoProto
+        @classmethod
+        def FromString(cls, s: builtin___bytes) -> UnityRLOutputProto.ListAgentInfoProto: ...
+        def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+        def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+        if sys.version_info >= (3,):
+            def ClearField(self, field_name: typing_extensions___Literal[u"value"]) -> None: ...
+        else:
+            def ClearField(self, field_name: typing_extensions___Literal[u"value",b"value"]) -> None: ...
-        key: typing___Text = ...
+        key = ... # type: typing___Text
-        def value(self) -> type___UnityRLOutputProto.ListAgentInfoProto: ...
+        def value(self) -> UnityRLOutputProto.ListAgentInfoProto: ...
-            value : typing___Optional[type___UnityRLOutputProto.ListAgentInfoProto] = None,
+            value : typing___Optional[UnityRLOutputProto.ListAgentInfoProto] = None,
-        def HasField(self, field_name: typing_extensions___Literal[u"value",b"value"]) -> builtin___bool: ...
-        def ClearField(self, field_name: typing_extensions___Literal[u"key",b"key",u"value",b"value"]) -> None: ...
-    type___AgentInfosEntry = AgentInfosEntry
+        @classmethod
+        def FromString(cls, s: builtin___bytes) -> UnityRLOutputProto.AgentInfosEntry: ...
+        def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+        def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+        if sys.version_info >= (3,):
+            def HasField(self, field_name: typing_extensions___Literal[u"value"]) -> builtin___bool: ...
+            def ClearField(self, field_name: typing_extensions___Literal[u"key",u"value"]) -> None: ...
+        else:
+            def HasField(self, field_name: typing_extensions___Literal[u"value",b"value"]) -> builtin___bool: ...
+            def ClearField(self, field_name: typing_extensions___Literal[u"key",b"key",u"value",b"value"]) -> None: ...
-    side_channel: builtin___bytes = ...
+    side_channel = ... # type: builtin___bytes
-    def agentInfos(self) -> typing___MutableMapping[typing___Text, type___UnityRLOutputProto.ListAgentInfoProto]: ...
+    def agentInfos(self) -> typing___MutableMapping[typing___Text, UnityRLOutputProto.ListAgentInfoProto]: ...
-        agentInfos : typing___Optional[typing___Mapping[typing___Text, type___UnityRLOutputProto.ListAgentInfoProto]] = None,
+        agentInfos : typing___Optional[typing___Mapping[typing___Text, UnityRLOutputProto.ListAgentInfoProto]] = None,
-    def ClearField(self, field_name: typing_extensions___Literal[u"agentInfos",b"agentInfos",u"side_channel",b"side_channel"]) -> None: ...
-type___UnityRLOutputProto = UnityRLOutputProto
+    @classmethod
+    def FromString(cls, s: builtin___bytes) -> UnityRLOutputProto: ...
+    def MergeFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    def CopyFrom(self, other_msg: google___protobuf___message___Message) -> None: ...
+    if sys.version_info >= (3,):
+        def ClearField(self, field_name: typing_extensions___Literal[u"agentInfos",u"side_channel"]) -> None: ...
+    else:
+        def ClearField(self, field_name: typing_extensions___Literal[u"agentInfos",b"agentInfos",u"side_channel",b"side_channel"]) -> None: ...

ml-agents-envs/mlagents_envs/communicator_objects/unity_to_external_pb2.pyi

 # @generated by generate_proto_mypy_stubs.py.  Do not edit!
 import sys
-from google.protobuf.descriptor import (
-    FileDescriptor as google___protobuf___descriptor___FileDescriptor,
-)
-
-
-DESCRIPTOR: google___protobuf___descriptor___FileDescriptor = ...