import { Component } from '../../component';
import { TresBrowserDOMApi } from './tres-api';
import { Camera, Object3D } from 'three';
import { TresObject } from './types';
import { TresContext } from './context';

export { TresCanvas } from './TresCanvas';
export { TresBrowserDOMApi, TresPlaceholder, TresFragment, TresComment, TresText } from './tres-api';
export { catalogue, extend } from './catalogue';
export { TRES_CONTEXT, createTresContext, createTresContextState, type TresContext, type TresContextState, } from './context';
export { und, arr, num, str, bool, fun, obj, object3D, camera, bufferGeometry, material, light, fog, scene, tresObject, tresPrimitive, } from './utils/is';
export { normalizeVectorFlexibleParam, normalizeColor, type SizeFlexibleParams, type Vector2PropInterface, type Vector3PropInterface, type VectorFlexibleParams, } from './utils/normalize';
export { kebabToCamel, isHTMLTag, deepEqual, deepArrayEqual, } from './utils/index';
export type { TresObject, TresObject3D, TresScene, TresPrimitive, TresCatalogue, TresCamera, TresInstance, LocalState, AttachType, AttachFnType, InstanceProps, EventHandlers, ThreeEvent, TresVector2, TresVector3, TresVector4, TresColor, TresEuler, TresQuaternion, } from './types';
/**
 * Get the Tres rendering context from a component
 * Useful for accessing the TresBrowserDOMApi within Tres components
 */
export declare function useTresContext(ctx: Component<any>): TresBrowserDOMApi | null;
/**
 * useTres - Hook to access the Three.js context (scene, camera, renderer)
 *
 * Usage:
 * ```ts
 * function MyComponent(this: Component) {
 *   const tres = useTres(this);
 *   // Access scene, camera, renderer
 *   const scene = tres?.scene;
 *   const camera = tres?.getCamera();
 *   const renderer = tres?.getRenderer();
 *
 *   // Register render callbacks
 *   tres?.onBeforeRender((state, delta) => {
 *     // Called before each frame
 *   });
 * }
 * ```
 */
export declare function useTres(ctx: Component<any>): TresContext | null;
/**
 * Dispose of a Three.js object and its children
 * Recursively disposes geometries, materials, and textures
 */
export declare function dispose(object: TresObject | Object3D | null | undefined): void;
/**
 * Traverse an object and its children, calling a callback for each
 */
export declare function traverseObjects(object: Object3D, callback: (obj: Object3D) => void): void;
/**
 * Find all objects of a specific type in a scene graph
 */
export declare function findObjectsByType<T extends Object3D>(root: Object3D, predicate: (obj: Object3D) => obj is T): T[];
/**
 * Find all cameras in a scene
 */
export declare function findCameras(root: Object3D): Camera[];
/**
 * Find all meshes in a scene
 */
export declare function findMeshes(root: Object3D): Object3D[];
/**
 * TresProvider - A context provider for using Tres renderer in a subtree
 *
 * This allows rendering Three.js elements within GXT components.
 * Use TresCanvas instead for most use cases.
 */
export declare function TresProvider(): import('../../component').ComponentReturnType;