public void setEnabled(boolean enabled) {
        this.enabled = enabled;
    }
Enable or disable this <code>MatParamOverride</code>.

When disabled, the override will continue to propagate through the scene
graph like before, but it will have no effect on materials. Overrides are
enabled by default.

@param enabled Whether to enable or disable this override.
jme3-core/src/main/java/com/jme3/material/MatParamOverride.java