code: def declarator(self):
      return "{} *{}".format(dtype_to_ctype(self.dtype), self.name)
  
imports: import pycuda.driver
  import pycuda._driver
  import numpy
  from pycuda.compyte.dtypes import register_dtype, get_or_register_dtype, _fill_dtype_registry, dtype_to_ctype
label_desc: Use image node_id 1 for calling the VectorArg obj's underlying member method code with example usage: obj.declarator() and returns: str