public Handles addListener(final HandleListener handleListener) {
        this.handleListeners.add(handleListener);
        return this;
    }
Add a {@link HandleListener} which is called for specific events. Adding a listener will add
it to all Handles that are subsequently created (this call does not affect existing handles).

@param handleListener A {@link HandleListener} object.

@return The Handles object itself.
core/src/main/java/org/jdbi/v3/core/Handles.java