code: def has_coarse_grain_buffer_svm(dev):
      return _may_have_svm(dev) and bool(
          dev.svm_capabilities
          & cl.device_svm_capabilities.COARSE_GRAIN_BUFFER
      )
  
imports: import pyopencl
  from pytools import memoize
  from typing import Dict, Optional, Tuple
label_desc: Use image node_id 16 for calling a global function with example usage: has_coarse_grain_buffer_svm(dev) and returns: unknown