'Return an iterable of dictionaries containing meter information.
{ \'name\': name of the meter,
\'type\': type of the meter (gauge, delta, cumulative),
\'resource_id\': UUID of the resource,
\'project_id\': UUID of project owning the resource,
\'user_id\': UUID of user owning the resource,
:param user: Optional ID for user that owns the resource.
:param project: Optional ID for project that owns the resource.
:param resource: Optional resource filter.
:param source: Optional source filter.
:param limit: Maximum number of results to return.
:param metaquery: Optional dict with metadata to match on.
:param unique: If set to true, return only unique meter information.'

def get_meters(self, user=None, project=None, resource=None, source=None, limit=None, metaquery=None, unique=False):

    return []
