def METHOD_NAME(self):
    leapp_vars = self.configuration.leapp_env_vars
    devel_vars = [v for v in leapp_vars if v.name.startswith('LEAPP_DEVEL_')]
    experimental = bool([v for v in leapp_vars if v.name == 'LEAPP_EXPERIMENTAL' and v.value == '1'])
    override = bool([v for v in leapp_vars if v.name == 'LEAPP_UNSUPPORTED' and v.value == '1'])
    if override:
        reporting.create_report([
            reporting.Title('Upgrade is unsupported'),
            reporting.Summary(
                'Environment variable LEAPP_UNSUPPORTED has been detected. A successful and safe '
                'upgrade process cannot be guaranteed. From now on you are continuing at your own '
                'risk.\n'
            ),
            reporting.Severity(reporting.Severity.HIGH),
            reporting.Groups([reporting.Groups.UPGRADE_PROCESS, reporting.Groups.SANITY]),
        ])
    else:
        if devel_vars:
            reporting.create_report([
                reporting.Title('Upgrade inhibited due to usage of development variables'),
                reporting.Summary(
                    'One or more environment variables in the form of LEAPP_DEVEL_* have been detected.\n'
                    'These variables are for development purposes only and can interfere with the upgrade '
                    'process in unexpected ways. As such, a successful and safe upgrade process cannot be '
                    'guaranteed and the upgrade is unsupported.\n'
                    'You can bypass this error by setting the LEAPP_UNSUPPORTED variable but by doing so, '
                    'you continue at your own risk.\n'
                    'Found development variables:\n- {}\n'.format('\n- '.join([v.name for v in devel_vars]))
                ),
                reporting.Severity(reporting.Severity.HIGH),
                reporting.Groups([reporting.Groups.INHIBITOR]),
                reporting.Groups([reporting.Groups.UPGRADE_PROCESS, reporting.Groups.SANITY]),
                reporting.Remediation(hint=('Invoke leapp without any LEAPP_DEVEL_* environment variables '
                                            'or set LEAPP_UNSUPPORTED=1.'))
            ])
        if experimental:
            reporting.create_report([
                reporting.Title('Upgrade inhibited due to enabled experimental actors'),
                reporting.Summary(
                    'One or more enabled experimental actors have been detected.\n'
                    'These actors are unstable or in development and can interfere with the upgrade '
                    'process in unexpected ways. As such, a successful and safe upgrade process cannot be '
                    'guaranteed and the upgrade is unsupported.\n'
                    'You can bypass this error by setting the LEAPP_UNSUPPORTED variable but by doing so, '
                    'you continue at your own risk.\n'
                ),
                reporting.Severity(reporting.Severity.HIGH),
                reporting.Groups([reporting.Groups.INHIBITOR]),
                reporting.Groups([reporting.Groups.UPGRADE_PROCESS, reporting.Groups.SANITY]),
                reporting.Remediation(hint=('Invoke leapp without any --whitelist-experimental options '
                                            'or set LEAPP_UNSUPPORTED=1.'))
            ])