code: def is_year_start() -> IsYearStart:
      """
      Return whether a given value is a year start
      """
      return IsYearStart()
  
imports: from typing import Any, TYPE_CHECKING, Optional
  import pandas
  from .ASTPredicate import ASTPredicate
label_desc: Use image node_id 5 for calling a global function with example usage: is_year_start() and returns: IsYearStart