def __init__(self, managed_policy_map, sam_parser, plugins=None):
self.managed_policy_map = managed_policy_map<EOL>self.plugins = plugins<EOL>self.sam_parser = sam_parser<EOL>
:param dict managed_policy_map: Map of managed policy names to the ARNs
:param sam_parser: Instance of a SAM Parser
:param list of samtranslator.plugins.BasePlugin plugins: List of plugins to be installed in the translator,
    in addition to the default ones.