Type Alias HrmpWatermark 

pub type HrmpWatermark<T: Config> = StorageValue<_GeneratedPrefixForStorageHrmpWatermark<T>, BlockNumber, ValueQuery>;

HRMP watermark that was set in a block.

Storage type is [StorageValue] with value type relay_chain :: BlockNumber.

Aliased Type

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