Beta Private constructorThe Id to associate the callback with.
The callback that will be invoked when a spawner tests for the associated predicate key.
Registers an entity spawn callback to the provided key.
This function can't be called in read-only mode.
This function can be called in early-execution mode.
This function can throw errors.
minecraftcommon.InvalidArgumentError
The Id to associate the callback with.
The callback that will be invoked when a spawner tests for the associated predicate key.
Registers an obstruction callback to the provided key.
This function can't be called in read-only mode.
This function can be called in early-execution mode.
This function can throw errors.
minecraftcommon.InvalidArgumentError
Container for spawn rules APIs. Allows for registering callbacks to extend the spawner system.
Required Experiments: