Adding and removing properties to LazyDynaClass is expensive

    protected void add(DynaProperty property) {

        <snip>

        // Create a new property array with the specified property
        DynaProperty[] oldProperties = getDynaProperties();
        DynaProperty[] newProperties = new DynaProperty[oldProperties.length+1];
        System.arraycopy(oldProperties, 0, newProperties, 0, oldProperties.length);
        newProperties[oldProperties.length] = property;

       // Update the properties
       setProperties(newProperties);

    }

    protected void setProperties(DynaProperty[] properties) {

        this.properties = properties;
        propertiesMap.clear();
        for (int i = 0; i < properties.length; i++) {
            propertiesMap.put(properties[i].getName(), properties[i]);
        }

    }