class_docstr: Assemble DOT source code.
class_docstr_tok: ["Assemble","DOT","source","code","."]
docstr: Return DOT strict head line.
docstr_tok: ["Return","DOT","strict","head","line","."]
code: def _head_strict(cls, name: str) -> str:
      """Return DOT strict head line."""
      return f"strict {cls._head(name)}"
  
imports: import contextlib
  import typing
  from .None import _tools
  from .None import base
  from .None import quoting
label_desc: Use image node_id 2 for calling the Dot obj's underlying member method code with example usage: obj._head_strict(cls, name) and returns: str, cls