default @SideEffectFree boolean isValidByte(final @NonNull ByteRange range) {
        return this.isValidByte(range.minByte(), range.maxByte());
    }
Returns whether {@link #peekString()} contain a valid {@link Byte}
within the given range.

@param range range of accepted numbers
@return whether the input until the next whitespace contains a valid {@link Byte}
cloud-core/src/main/java/org/incendo/cloud/context/CommandInput.java