private void initToolbarControls(WorkbenchBuilder builder) {
        if (builder.toolbarControlsLeft != null) {
            toolbarControlsLeft.addAll(Arrays.asList(builder.toolbarControlsLeft));
        }

        if (builder.toolbarControlsRight != null) {
            toolbarControlsRight.addAll(Arrays.asList(builder.toolbarControlsRight));
        }
    }
Constructor for WorkbenchFX by using the {@link WorkbenchBuilder}.

@param builder to use for the setup
workbenchfx-core/src/main/java/com/dlsc/workbenchfx/Workbench.java