@API(status = API.Status.STABLE)
    static <C, T> @NonNull ParameterInjector<C, T> constantInjector(final @NonNull T value) {
        return new ConstantInjector<>(value);
    }
Returns a parameter injector that always injects {@code value}.

@param <C>   command sender type
@param <T>   type of the value
@param value value to inject
@return the injector
cloud-core/src/main/java/org/incendo/cloud/injection/ParameterInjector.java