(self)
return {}
return a dict-like object with any optional metadata from
    the transform
    You can modify the returned dictionnary to add/change metadata
return a dict-like object with any optional metadata from
    the transform
    You can modify the returned dictionnary to add/change metadata
return a dict - like object with any optional metadata from the transform You can modify the returned dictionnary to add / change metadata
def getMetadata(self):
    """return a dict-like object with any optional metadata from
    the transform
    You can modify the returned dictionnary to add/change metadata
    """
    return {}
def getMetadata ( self ) : return { }