@FunctionalInterface public static interface Remote.BooleanSupplier extends BooleanSupplier, Serializable
boolean-valued results. This is the boolean-producing primitive specialization of Remote.Supplier.
There is no requirement that a new or distinct result be returned each time the supplier is invoked.
This is a functional interface whose functional method is BooleanSupplier.getAsBoolean().
Remote.SuppliergetAsBoolean