import { ThreeElements } from '@react-three/fiber';
import * as React from 'react';
import * as THREE from 'three';
type uniforms = {
    [name: string]: THREE.Color | THREE.CubeTexture | THREE.DataTexture | THREE.Matrix3 | THREE.Matrix4 | THREE.Quaternion | THREE.Texture | THREE.Vector2 | THREE.Vector3 | THREE.Vector4 | boolean | number | null;
};
export type attribute = {
    attach: string;
    array: THREE.TypedArray;
    itemSize: number;
};
export type R3FPointsPropsType = ThreeElements['points'] & {
    /**
     * An array of THREE.Mesh objects to be used as models for the particle system.
     */
    models: THREE.Mesh[];
    /**
     * The number of points (particles) to be rendered.
     * @default 1000
     */
    pointsCount?: number;
    /**
     * The index of the model in the `models` array to be used as the starting model (modelA).
     * @default null
     */
    modelA?: number | null;
    /**
     * The index of the model in the `models` array to be used as the ending model (modelB).
     * @default null
     */
    modelB?: number | null;
    /**
     * An object of uniforms to be passed to the shaders.
     * @default {}
     */
    uniforms?: uniforms;
    /**
     * The base color of the particles.
     * @default new THREE.Color(0, 0, 0)
     */
    baseColor?: THREE.Color;
    /**
     * The size of the particles.
     * @default 0.1
     */
    pointSize?: number;
    /**
     * The alpha (transparency) of the particles.
     * @default 1
     */
    alpha?: number;
    /**
     * An array of custom attributes to be passed to the shaders.
     */
    attributes?: attribute[];
    /**
     * The blending mode to be used for the particles.
     * @default THREE.AdditiveBlending
     */
    blending?: THREE.Blending;
    /**
     * A string of GLSL code to be injected into the vertex shader.
     */
    vertexModifier?: string;
    /**
     * A string of GLSL code to be injected into the fragment shader.
     */
    fragmentModifier?: string;
    /**
     * A string of GLSL code to be injected into the FBO fragment shader to modify the transition progress.
     */
    progressModifier?: string;
    /**
     * Whether the particle size should be attenuated by the distance from the camera.
     * @default true
     */
    sizeAttenutation?: boolean;
    /**
     * An array of indexes of models that should have their particles arranged in an organized manner.
     */
    organizedParticleIndexes?: number[];
};
export type R3FPointsFXRefType = {
    getSimulationMesh: () => THREE.Mesh | null;
    getPointsMesh: () => THREE.Points | null;
    updateProgress: (progress: number) => void;
    updateTime: (time: number) => void;
    setModelA: (index: number) => void;
    setModelB: (index: number) => void;
};
export declare const R3FPointsFX: React.ForwardRefExoticComponent<Omit<R3FPointsPropsType, "ref"> & React.RefAttributes<R3FPointsFXRefType>>;
export {};