import { BufferAttribute } from "../../../core/BufferAttribute.js";
import { BufferGeometry } from "../../../core/BufferGeometry.js";
import { Light } from "../../../lights/Light.js";
import NodeBuilder from "../../../nodes/core/NodeBuilder.js";
import NodeFrame from "../../../nodes/core/NodeFrame.js";
import LightsNode from "../../../nodes/lighting/LightsNode.js";
import Renderer from "../../../renderers/common/Renderer.js";
import RenderObject from "../../../renderers/common/RenderObject.js";
import { Material } from "../../Material.js";

/**
 * This class is used by {@link WebGPURenderer} as management component.
 * It's primary purpose is to determine whether render objects require a
 * refresh right before they are going to be rendered or not.
 */
declare class NodeMaterialObserver {
    /**
     * Constructs a new node material observer.
     *
     * @param {NodeBuilder} builder - The node builder.
     */
    constructor(builder: NodeBuilder);
    /**
     * A node material can be used by more than one render object so the
     * monitor must maintain a list of render objects.
     *
     * @type {WeakMap<RenderObject,Object>}
     */
    renderObjects: WeakMap<RenderObject, unknown>;
    /**
     * Whether the material uses node objects or not.
     *
     * @type {boolean}
     */
    hasNode: boolean;
    /**
     * Whether the node builder's 3D object is animated or not.
     *
     * @type {boolean}
     */
    hasAnimation: boolean;
    /**
     * A list of all possible material uniforms
     *
     * @type {Array<string>}
     */
    refreshUniforms: string[];
    /**
     * Holds the current render ID from the node frame.
     *
     * @type {number}
     * @default 0
     */
    renderId: number;
    /**
     * Returns `true` if the given render object is verified for the first time of this observer.
     *
     * @param {RenderObject} renderObject - The render object.
     * @return {boolean} Whether the given render object is verified for the first time of this observer.
     */
    firstInitialization(renderObject: RenderObject): boolean;
    /**
     * Returns `true` if the current rendering produces motion vectors.
     *
     * @param {Renderer} renderer - The renderer.
     * @return {boolean} Whether the current rendering produces motion vectors or not.
     */
    needsVelocity(renderer: Renderer): boolean;
    /**
     * Returns monitoring data for the given render object.
     *
     * @param {RenderObject} renderObject - The render object.
     * @return {Object} The monitoring data.
     */
    getRenderObjectData(renderObject: RenderObject): unknown;
    /**
     * Returns an attribute data structure holding the attributes versions for
     * monitoring.
     *
     * @param {Object} attributes - The geometry attributes.
     * @return {Object} An object for monitoring the versions of attributes.
     */
    getAttributesData(attributes: Record<string, BufferAttribute>): unknown;
    /**
     * Returns `true` if the node builder's material uses
     * node properties.
     *
     * @param {NodeBuilder} builder - The current node builder.
     * @return {boolean} Whether the node builder's material uses node properties or not.
     */
    containsNode(builder: NodeBuilder): boolean;
    /**
     * Returns a geometry data structure holding the geometry property values for
     * monitoring.
     *
     * @param {BufferGeometry} geometry - The geometry.
     * @return {Object} An object for monitoring geometry properties.
     */
    getGeometryData(geometry: BufferGeometry): unknown;
    /**
     * Returns a material data structure holding the material property values for
     * monitoring.
     *
     * @param {Material} material - The material.
     * @return {Object} An object for monitoring material properties.
     */
    getMaterialData(material: Material): unknown;
    /**
     * Returns `true` if the given render object has not changed its state.
     *
     * @param {RenderObject} renderObject - The render object.
     * @param {Array<Light>} lightsData - The current material lights.
     * @param {number} renderId - The current render ID.
     * @return {boolean} Whether the given render object has changed its state or not.
     */
    equals(renderObject: RenderObject, lightsData: Light[], renderId: number): boolean;
    /**
     * Returns the lights data for the given material lights.
     *
     * @param {Array<Light>} materialLights - The material lights.
     * @return {Array<Object>} The lights data for the given material lights.
     */
    getLightsData(materialLights: Light[]): unknown[];
    /**
     * Returns the lights for the given lights node and render ID.
     *
     * @param {LightsNode} lightsNode - The lights node.
     * @param {number} renderId - The render ID.
     * @return {Array<Object>} The lights for the given lights node and render ID.
     */
    getLights(lightsNode: LightsNode, renderId: number): unknown[];
    /**
     * Checks if the given render object requires a refresh.
     *
     * @param {RenderObject} renderObject - The render object.
     * @param {NodeFrame} nodeFrame - The current node frame.
     * @return {boolean} Whether the given render object requires a refresh or not.
     */
    needsRefresh(renderObject: RenderObject, nodeFrame: NodeFrame): boolean;
}

export default NodeMaterialObserver;