import type { NodeMaterialBlock } from "../nodeMaterialBlock";
/**
 * Root class for all node material optimizers
 */
export declare class NodeMaterialOptimizer {
    /**
     * Function used to optimize a NodeMaterial graph
     * @param _vertexOutputNodes defines the list of output nodes for the vertex shader
     * @param _fragmentOutputNodes defines the list of output nodes for the fragment shader
     */
    optimize(_vertexOutputNodes: NodeMaterialBlock[], _fragmentOutputNodes: NodeMaterialBlock[]): void;
}