# Copyright 2023 The TensorFlow Authors. 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.

"""Layers are the fundamental building blocks for NLP models.

They can be used to assemble new `tf.keras` layers or models.
"""
# pylint: disable=wildcard-import

from official.nlp.modeling.layers import util
from official.nlp.modeling.layers.attention import *
from official.nlp.modeling.layers.bigbird_attention import BigBirdAttention
from official.nlp.modeling.layers.bigbird_attention import BigBirdMasks
from official.nlp.modeling.layers.block_diag_feedforward import BlockDiagFeedforward
from official.nlp.modeling.layers.cls_head import *
from official.nlp.modeling.layers.factorized_embedding import FactorizedEmbedding
from official.nlp.modeling.layers.gated_feedforward import GatedFeedforward
from official.nlp.modeling.layers.gaussian_process import RandomFeatureGaussianProcess
from official.nlp.modeling.layers.kernel_attention import KernelAttention
from official.nlp.modeling.layers.kernel_attention import KernelMask
from official.nlp.modeling.layers.masked_lm import MaskedLM
from official.nlp.modeling.layers.masked_softmax import MaskedSoftmax
from official.nlp.modeling.layers.mat_mul_with_margin import MatMulWithMargin
from official.nlp.modeling.layers.mixing import FourierTransformLayer
from official.nlp.modeling.layers.mixing import HartleyTransformLayer
from official.nlp.modeling.layers.mixing import LinearTransformLayer
from official.nlp.modeling.layers.mixing import MixingMechanism
from official.nlp.modeling.layers.mobile_bert_layers import MobileBertEmbedding
from official.nlp.modeling.layers.mobile_bert_layers import MobileBertMaskedLM
from official.nlp.modeling.layers.mobile_bert_layers import MobileBertTransformer
from official.nlp.modeling.layers.moe import ExpertsChooseMaskedRouter
from official.nlp.modeling.layers.moe import FeedForwardExperts
from official.nlp.modeling.layers.moe import MoeLayer
from official.nlp.modeling.layers.moe import MoeLayerWithBackbone
from official.nlp.modeling.layers.multi_channel_attention import *
from official.nlp.modeling.layers.on_device_embedding import OnDeviceEmbedding
from official.nlp.modeling.layers.pack_optimization import PackBertEmbeddings
from official.nlp.modeling.layers.pack_optimization import StridedTransformerEncoderBlock
from official.nlp.modeling.layers.pack_optimization import StridedTransformerScaffold
from official.nlp.modeling.layers.per_dim_scale_attention import PerDimScaleAttention
from official.nlp.modeling.layers.position_embedding import PositionEmbedding
from official.nlp.modeling.layers.position_embedding import RelativePositionBias
from official.nlp.modeling.layers.position_embedding import RelativePositionEmbedding
from official.nlp.modeling.layers.relative_attention import MultiHeadRelativeAttention
from official.nlp.modeling.layers.relative_attention import TwoStreamRelativeAttention
from official.nlp.modeling.layers.reuse_attention import ReuseMultiHeadAttention
from official.nlp.modeling.layers.reuse_transformer import ReuseTransformer
from official.nlp.modeling.layers.rezero_transformer import ReZeroTransformer
from official.nlp.modeling.layers.routing import *
from official.nlp.modeling.layers.self_attention_mask import *
from official.nlp.modeling.layers.spectral_normalization import *
from official.nlp.modeling.layers.talking_heads_attention import TalkingHeadsAttention
from official.nlp.modeling.layers.text_layers import BertPackInputs
from official.nlp.modeling.layers.text_layers import BertTokenizer
from official.nlp.modeling.layers.text_layers import FastWordpieceBertTokenizer
from official.nlp.modeling.layers.text_layers import SentencepieceTokenizer
from official.nlp.modeling.layers.tn_transformer_expand_condense import TNTransformerExpandCondense
from official.nlp.modeling.layers.transformer import Transformer
from official.nlp.modeling.layers.transformer import TransformerDecoderBlock
from official.nlp.modeling.layers.transformer_encoder_block import TransformerEncoderBlock
from official.nlp.modeling.layers.transformer_scaffold import TransformerScaffold
from official.nlp.modeling.layers.transformer_xl import TransformerXL
from official.nlp.modeling.layers.transformer_xl import TransformerXLBlock