Type Alias MigrateV3ToV4 

pub type MigrateV3ToV4<T> = VersionedMigration<3, 4, UncheckedMigrateToV4<T>, Pallet<T>, <T as Config>::DbWeight>;

Migrate V3 to V4 of the storage format.

Aliased Type

pub struct MigrateV3ToV4<T> { /* private fields */ }