'This function defines the dictionary object required for
package module
:return: the package dictionary object'

@staticmethod
def define_argument_spec():

    argument_spec = dict(server_ids=dict(type='list', required=True), expiration_days=dict(default=7), wait=dict(default=True), state=dict(default='present', choices=['present', 'absent', 'restore']))
    return argument_spec
