code: def internal_define(self):
      if self.internal_type is None:
          return f"extern NPY_NO_EXPORT {self.ptr_cast} {self.name};\n"
  
      # If we are here, we need to define a larger struct internally, which
      # the type can be cast safely. But we want to normally use the original
      # type, so name mangle:
      mangled_name = f"{self.name}Full"
      astr = (
          # Create the mangled name:
          f"extern NPY_NO_EXPORT {self.internal_type} {mangled_name};\n"
          # And define the name as: (*(type *)(&mangled_name))
          f"#define {self.name} (*({self.ptr_cast} *)(&{mangled_name}))\n"
      )
      return astr
  
imports: import hashlib
  import io
  import os
  import re
  import sys
  import importlib.util
  import textwrap
  from os.path import join
label_desc: Use image node_id 4 for calling the TypeApi obj's underlying member method code with example usage: obj.internal_define() and returns: astr, str, self, str, self, str