class_docstr: Tracks any function calls made with a given first argument name.
class_docstr_tok: ["Tracks","any","function","calls","made","with","a","given","first","argument","name","."]
code: def visit_Call(self, node):
      node = self.generic_visit(node)
      if (
          node.args
          and anno.getanno(node.args[0], anno.Basic.QN, None)
          == self.first_argument_name
      ):
          fn_object = anno.getanno(node.func, "static_value", None)
          if fn_object is not None:
              self.calls.add(fn_object)
      return node
  
imports: import sys
  import gast
  from tensorflow.python.autograph.pyct import anno
  from tensorflow.python.autograph.pyct import cfg
  from tensorflow.python.autograph.pyct import parser
  from tensorflow.python.autograph.pyct import qual_names
  from tensorflow.python.autograph.pyct import transformer
  from tensorflow.python.autograph.pyct.static_analysis import activity
  from tensorflow.python.autograph.pyct.static_analysis import liveness
  from tensorflow.python.autograph.pyct.static_analysis import reaching_fndefs
  from tensorflow.python.framework import op_def_registry
  from tensorflow.python.framework import ops
label_desc: Use image node_id 4 for calling the _FunctionCallsTracker obj's underlying member method code with example usage: obj.visit_Call(node) and returns: node