/**
 * AnimTransitions represent connections in the controllers state graph between AnimStates. During
 * each frame, the controller tests to see if any of the AnimTransitions have the current AnimState
 * as their source (from) state. If so and the AnimTransitions parameter based conditions are met,
 * the controller will transition to the destination state.
 *
 * @category Animation
 */
export class AnimTransition {
    /**
     * Create a new AnimTransition.
     *
     * @param {object} options - Options.
     * @param {string} options.from - The state that this transition will exit from.
     * @param {string} options.to - The state that this transition will transition to.
     * @param {number} [options.time] - The duration of the transition in seconds. Defaults to 0.
     * @param {number} [options.priority] - Used to sort all matching transitions in ascending
     * order. The first transition in the list will be selected. Defaults to 0.
     * @param {object[]} [options.conditions] - A list of conditions which must pass for this
     * transition to be used. Defaults to [].
     * @param {number} [options.exitTime] - If provided, this transition will only be active for
     * the exact frame during which the source states progress passes the time specified. Given as
     * a normalized value of the source states duration. Values less than 1 will be checked every
     * animation loop. Defaults to null.
     * @param {number} [options.transitionOffset] - If provided, the destination state will begin
     * playing its animation at this time. Given in normalized time, based on the state's duration
     * and must be between 0 and 1. Defaults to null.
     * @param {string} [options.interruptionSource] - Defines whether another transition can
     * interrupt this one and which of the current or previous states transitions can do so. One of
     * pc.ANIM_INTERRUPTION_*. Defaults to pc.ANIM_INTERRUPTION_NONE.
     */
    constructor({ from, to, time, priority, conditions, exitTime, transitionOffset, interruptionSource }: {
        from: string;
        to: string;
        time?: number;
        priority?: number;
        conditions?: object[];
        exitTime?: number;
        transitionOffset?: number;
        interruptionSource?: string;
    });
    _from: string;
    _to: string;
    _time: number;
    _priority: number;
    _conditions: any[];
    _exitTime: number;
    _transitionOffset: number;
    _interruptionSource: string;
    get from(): string;
    set to(value: string);
    get to(): string;
    get time(): number;
    get priority(): number;
    get conditions(): any[];
    get exitTime(): number;
    get transitionOffset(): number;
    get interruptionSource(): string;
    get hasExitTime(): boolean;
}