import { ActionBehavior, ContextManager, ActionBehaviorConstructorProps, Component, Observable } from '@zcomponent/core';
/**
 * Sets the linear velocity of a physics body.
 * @zicon speed
 * @zbehavior
 * @zgroup Physics Actions
 */
export declare class SetLinearVelocity extends ActionBehavior {
    protected zcomponent: import("@zcomponent/core").ZComponent<any>;
    /**
     * The rigidbody target.
     * @zprop
     * @zvalues behaviorids three/Object3D/Physics/RigidBody
     */
    rigidbody: string;
    /**
     * The linear velocity vector to set.
     * @zprop
     * @zgroup Physics
     * @zgrouppriority 20
     * @zdefault [0, 0, 0]
     */
    linearVelocity: Observable<never, [number, number, number]>;
    constructor(contextManager: ContextManager, instance: Component, props: ActionBehaviorConstructorProps);
    /** @zprop */
    perform: () => void;
    /** @zui */
    preview(): void;
}