import { PhysicsEffect } from './PhysicsEffect';
import { ContextManager, Observable } from '@zcomponent/core';
import { PhysicsUpdraftMode, PhysicsUpdraftEvent } from '../../index';
export declare enum UpdraftMode {
    Center = "Center",
    Perpendicular = "Perpendicular"
}
export declare function translateUpdraftMode(mode: UpdraftMode): PhysicsUpdraftMode;
/**
 * Represents an updraft component.
 * @zcomponent
 * @ztag three/Updraft
 * @zicon air
 * @zgroup Physics Forces
 * @zparents three/Object3D/Group/**
 */
export declare class Updraft extends PhysicsEffect {
    updraft: PhysicsUpdraftEvent | null;
    /**
     * The mode of the updraft.
     * @zprop
     * @zdefault Center
     */
    updraftMode: Observable<UpdraftMode, never>;
    /**
     * The strength of the effect.
     * @zprop
     * @zdefault 10
     */
    strength: Observable<number, never>;
    /**
     * Whether to display the debug mesh.
     * This is always false during runtime.
     * @zprop
     * @zdefault true
     */
    showHelper: Observable<boolean, never>;
    constructor(contextManager: ContextManager, constructorProps: {});
    private _frame;
    private helper;
    private _constructVortex;
    private worldScale;
    private getOptions;
    private constructCylinderFromOptions;
    private _running;
    private setEnabled;
    enable(): void;
    disable(): void;
    dispose: () => never;
}