@classmethod<EOL><INDENT>def models(cls, api_version=DEFAULT_API_VERSION):<DEDENT>
if api_version == '<STR_LIT>':<EOL><INDENT>from .v2015_06_01 import models<EOL>return models<EOL><DEDENT>elif api_version == '<STR_LIT>':<EOL><INDENT>from .v2015_07_01 import models<EOL>return models<EOL><DEDENT>elif api_version == '<STR_LIT>':<EOL><INDENT>from .v2018_01_01_preview import models<EOL>return models<EOL><DEDENT>elif api_version == '<STR_LIT>':<EOL><INDENT>from .v2018_07_01_preview import models<EOL>return models<EOL><DEDENT>elif api_version == '<STR_LIT>':<EOL><INDENT>from .v2018_09_01_preview import models<EOL>return models<EOL><DEDENT>raise NotImplementedError("<STR_LIT>".format(api_version))<EOL>
Module depends on the API version:

           * 2015-06-01: :mod:`v2015_06_01.models<azure.mgmt.authorization.v2015_06_01.models>`
           * 2015-07-01: :mod:`v2015_07_01.models<azure.mgmt.authorization.v2015_07_01.models>`
           * 2018-01-01-preview: :mod:`v2018_01_01_preview.models<azure.mgmt.authorization.v2018_01_01_preview.models>`
           * 2018-07-01-preview: :mod:`v2018_07_01_preview.models<azure.mgmt.authorization.v2018_07_01_preview.models>`
           * 2018-09-01-preview: :mod:`v2018_09_01_preview.models<azure.mgmt.authorization.v2018_09_01_preview.models>`