code: def test_rast(h, f):
      """Sun raster file"""
      if h.startswith(b"\x59\xA6\x6A\x95"):
          return "rast"
  
file_path: catboost/contrib/tools/python3/src/Lib/imghdr.py
imports: from os import PathLike
  import warnings
label_desc: Use image node_id 10 for calling a global function with example usage: test_rast(h, f) and returns: str