


import warnings
from functools import wraps
from typing import Callable






def  __lowerCAmelCase					(SCREAMING_SNAKE_CASE      )->						Callable:




      """simple docstring"""

      @wraps(SCREAMING_SNAKE_CASE      )
      def _inner_fn(*SCREAMING_SNAKE_CASE      ,      **SCREAMING_SNAKE_CASE      ):
            warnings.warn(
                (f'''\'{fn.__name__}\' is experimental and might be subject to breaking changes in the future.''')      ,      SCREAMING_SNAKE_CASE      ,      )
            return fn(*SCREAMING_SNAKE_CASE      ,      **SCREAMING_SNAKE_CASE      )

      return _inner_fn



from collections import namedtuple

UpperCAmelCase    =					namedtuple("""from_to""", """from_ to""")

UpperCAmelCase    =					{
    """cubicmeter""": from_to(1, 1),
    """litre""": from_to(0.001, 1000),
    """kilolitre""": from_to(1, 1),
    """gallon""": from_to(0.00_454, 264.172),
    """cubicyard""": from_to(0.76_455, 1.30_795),
    """cubicfoot""": from_to(0.028, 35.3_147),
    """cup""": from_to(0.000_236_588, 4_226.75),
}






def  __lowerCAmelCase					(SCREAMING_SNAKE_CASE      ,      SCREAMING_SNAKE_CASE      ,      SCREAMING_SNAKE_CASE      )->						float:




      """simple docstring"""

      if from_type not in METRIC_CONVERSION:
            raise ValueError(
                f'''Invalid \'from_type\' value: {from_type!r}  Supported values are:\n'''
                + ''', '''.join(SCREAMING_SNAKE_CASE      )      )
      if to_type not in METRIC_CONVERSION:
            raise ValueError(
                f'''Invalid \'to_type\' value: {to_type!r}.  Supported values are:\n'''
                + ''', '''.join(SCREAMING_SNAKE_CASE      )      )
      return value * METRIC_CONVERSION[from_type].from_ * METRIC_CONVERSION[to_type].to


if __name__ == "__main__":
   import doctest

   doctest.testmod()