code: def visit(self, g, node):
      if not isinstance(node, ParsedTFNode):
          node = g[node]
  
      for i in node.outputs:
          if self.fn(g[i]):
              self.result.append(i)
  
      return self
  
imports: from ..parsed_tf_node import ParsedTFNode
label_desc: Use image node_id 2 for calling the FindImmediateDownstreamNodes obj's underlying member method code with example usage: obj.visit(g, node) and returns: self