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# coding=utf-8
# Copyright (c) 2020, NVIDIA CORPORATION.  All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import enum

class ModelType(enum.Enum):
    encoder_or_decoder = 1
    encoder_and_decoder = 2

class LayerType(enum.Enum):
    encoder = 1
    decoder = 2
 
class AttnType(enum.Enum):
    self_attn = 1
    cross_attn = 2

class AttnMaskType(enum.Enum):
    padding = 1
    causal = 2