Type Alias DerivativeToOriginal 

pub type DerivativeToOriginal<T: Config<I>, I: 'static = ()> = StorageMap<_GeneratedPrefixForStorageDerivativeToOriginal<T, I>, Blake2_128Concat, <T as Config<I>>::Derivative, <T as Config<I>>::Original, OptionQuery>;

Storage type is [StorageMap] with key type DerivativeOf < T, I > and value type OriginalOf < T, I >.

Aliased Type

pub struct DerivativeToOriginal<T: Config<I>, I: 'static = ()>(/* private fields */);