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from enum import Enum
class MatchConditions(Enum):
"""An enum to describe match conditions."""
Unconditionally = 1
"""Matches any condition"""
IfNotModified = 2
"""If the target object is not modified. Usually it maps to etag=<specific etag>"""
IfModified = 3
"""Only if the target object is modified. Usually it maps to etag!=<specific etag>"""
IfPresent = 4
"""If the target object exists. Usually it maps to etag='*'"""
IfMissing = 5
"""If the target object does not exist. Usually it maps to etag!='*'"""