public void setUseHQShoreline(boolean useHQShoreline) {
        this.useHQShoreline = useHQShoreline;
        if (material != null) {
            material.setBoolean("UseHQShoreline", useHQShoreline);
        }

    }
Whether or not the shader is set to use high-quality shoreline.
@return true if high-quality shoreline is enabled
jme3-effects/src/main/java/com/jme3/water/WaterFilter.java