class_docstr: A BertModel with shared prediction head on MFM-MLM.
class_docstr_tok: ["A","BertModel","with","shared","prediction","head","on","MFM-MLM","."]
code: def __init__(self, config):
      super().__init__(config)
      self.videomlp = VideoTokenMLP(config)
      self.bert = MMBertModel(config)
      self.cls = MFMMLMHead(config)
      self.hidden_size = config.hidden_size
      self.init_weights()
  
imports: import torch
  from torch import nn
  from ..modules import VideoTokenMLP, MMBertEmbeddings
label_desc: Use image node_id 1 to create a new MMBertForMFMMLM object from inherited base classes: BertPreTrainedModel with example: obj = MMBertForMFMMLM(config)