a sorted map of migration version numbers to Migration subclasses that are not installed in the database
a sorted map of migration version numbers to Migration subclasses that are currently installed in the database that have a matching a Migration subclass
a sorted set of migration version numbers that are currently installed in the database but do not have a matching a Migration subclass
a sorted map of migration version numbers to Migration subclasses that are currently installed in the database that have a matching a Migration subclass
a sorted set of migration version numbers that are currently installed in the database but do not have a matching a Migration subclass
a sorted map of migration version numbers to Migration subclasses that are not installed in the database
Container for the state of all the available and installed migrations.
a sorted map of migration version numbers to Migration subclasses that are not installed in the database
a sorted map of migration version numbers to Migration subclasses that are currently installed in the database that have a matching a Migration subclass
a sorted set of migration version numbers that are currently installed in the database but do not have a matching a Migration subclass