getNodeType( builder ) {

		const requestType = this.node.getNodeType( builder );

		let convertTo = null;

		for ( const overloadingType of this.convertTo.split( '|' ) ) {

			if ( convertTo === null || builder.getTypeLength( requestType ) === builder.getTypeLength( overloadingType ) ) {

				convertTo = overloadingType;

			}

		}

		return convertTo;

	}
This method is overwritten since the implementation tries to infer the best
matching type from the {@link ConvertNode#convertTo} property.

@param {NodeBuilder} builder - The current node builder.
@return {string} The node type.