Type Alias Paras 

pub type Paras<T: Config> = StorageMap<_GeneratedPrefixForStorageParas<T>, Blake2_128Concat, ParaId, ParaInfoOf<T>>;

Every para id reserved through this pallet, and what is happening with it.

Storage type is [StorageMap] with key type ParaId and value type ParaInfoOf < T >.

Aliased Type

pub struct Paras<T: Config>(/* private fields */);