Type Alias BudgetKey 

pub type BudgetKey = BoundedVec<u8, ConstU32<MAX_BUDGET_KEY_LEN>>;

Identifier for a budget category in the inflation distribution system.

Each budget recipient (e.g. staker rewards, validator incentive) is identified by a unique key. Keys are bounded to MAX_BUDGET_KEY_LEN bytes.

Aliased Type

pub struct BudgetKey(/* private fields */);