import * as spec from '@galacean/effects-specification';
import type { InstantiationContext, GraphContext } from '../graph-context';
import { PoseResult } from '../pose-result';
import { GraphNodeData, PoseNode } from '../graph-node';
import { type StateNode } from './state-node';
export declare enum SourceType {
    State = 0,
    Transition = 1,
    CachedPose = 2
}
export declare class TransitionNodeData extends GraphNodeData {
    duration: number;
    hasExitTime: boolean;
    exitTime: number;
    targetStateNodeIndex: number;
    instantiate(context: InstantiationContext): void;
    load(data: spec.TransitionNodeData): void;
}
export declare class TransitionNode extends PoseNode {
    targetNode: StateNode;
    hasExitTime: boolean;
    exitTime: number;
    private transitionLength;
    private transitionProgress;
    private blendWeight;
    private sourceNode;
    private sourceNodeResult;
    private sourceType;
    private targetNodeResult;
    private blendedDuration;
    evaluate(context: GraphContext, result: PoseResult): PoseResult;
    isComplete(context: GraphContext): boolean;
    getProgressPercentage(): number;
    getSourceType(): SourceType;
    isSourceATransition(): boolean;
    isSourceAState(): boolean;
    startTransitionFromState(context: GraphContext, sourceNodeResult: PoseResult, sourceState: StateNode, outResult: PoseResult): PoseResult;
    startTransitionFromTransition(context: GraphContext, sourceNodeResult: PoseResult, sourceTransition: TransitionNode, outResult: PoseResult): PoseResult;
    getSourceStateNode(): StateNode;
    getSourceTransitionNode(): TransitionNode;
    notifyNewTransitionStarting(context: GraphContext, targetStateNode: StateNode): void;
    protected initializeInternal(context: GraphContext): void;
    protected shutdownInternal(context: GraphContext): void;
    private endSourceTransition;
    private initializeTargetStateAndUpdateTransition;
    private calculateBlendWeight;
    private registerPoseTasksAndUpdateRootMotion;
}