import { InstancedBufferAttribute, Mesh } from "three";
import type { GLProperty, GLTypeInfo } from "../../core/miscellaneous/generic-plane/shared";
export declare class UIInstancedParticle extends Mesh {
    private readonly capacityStep;
    readonly propertyBuffers: Record<string, InstancedBufferAttribute>;
    private readonly instancedGeometry;
    private readonly shaderMaterial;
    private capacity;
    constructor(sources: string[], uniforms: Record<string, GLProperty>, varyings: Record<string, GLTypeInfo>, expectedCapacity: number, capacityStep: number);
    get instanceCount(): number;
    createInstances(count: number): void;
    setOrigin(x: number, y: number): void;
    removeDeadParticles(): void;
    drop(): void;
    destroy(): void;
    private ensureCapacity;
}