default @NonNull String lastRemainingToken() {
        final String remainingInput = this.remainingInput();
        if (remainingInput.isEmpty() || remainingInput.endsWith(" ")) {
            return "";
        }

        final int lastSpace = remainingInput.lastIndexOf(' ');
        if (lastSpace == -1) {
            return remainingInput;
        }
        return remainingInput.substring(lastSpace + 1);
    }
Returns the last remaining token.

<p>If the string ends with a blank space, then an empty string is returned.</p>.

@return the last remaining token, or an empty string if none remains
cloud-core/src/main/java/org/incendo/cloud/context/CommandInput.java