code: def forward(self, g, x):
      h = self.sage(g, x)
      return self.pred(g, h)
  
imports: from typing import TYPE_CHECKING, Any
  from .None import constants
  import logging
label_desc: Use image node_id 2 for calling the LinkPredModelMultiOutput obj's underlying member method code with example usage: obj.forward(g, x) and returns: self