getNamespace( property = '' ) {

		const ns = this.namespace;

		let nsName;

		if ( ns ) {

			nsName = property ? ( ns + '_' + property ) : ns;

		} else {

			nsName = property;

		}

		return nsName;

	}
Returns the namespace for the given property.

If the property name is not set, it returns the namespace only.
If the namespace is not set, it returns the property name.
If the namespace is set, it returns the namespace concatenated with the property name.

@param {string} [property=''] - The property name.
@return {string} The namespace for the property.