text: """module for abs modifier."""
  from __future__ import annotations
  from typing import Any, TYPE_CHECKING
  from .modifier import Modifier
  if TYPE_CHECKING:
      from ..ctx import Ctx
  
  class AbsModifier(Modifier):
      """Abs modifier transforms number value to its absolute value."""
  
      def transform(self, ctx: Ctx) -> Any:
          is_number = type(ctx.val) is int or type(ctx.val) is float
          return abs(ctx.val) if is_number else ctx.val
  