import * as spec from '@galacean/effects-specification';
import type { GraphContext, InstantiationContext } from '../graph-context';
import type { FloatValueNode } from '../graph-node';
import { GraphNodeData, PoseNode } from '../graph-node';
import { PoseResult } from '../pose-result';
export declare class BlendNodeData extends GraphNodeData {
    sourceNodeIndex0: number;
    sourceNodeIndex1: number;
    inputParameterValueNodeIndex: number;
    instantiate(context: InstantiationContext): void;
    load(data: spec.BlendNodeData): void;
}
export declare class BlendNode extends PoseNode {
    source0: PoseNode | null;
    source1: PoseNode | null;
    inputParameterValueNode: FloatValueNode | null;
    source0Result: PoseResult;
    source1Result: PoseResult;
    protected initializeInternal(context: GraphContext): void;
    protected shutdownInternal(context: GraphContext): void;
    evaluate(context: GraphContext, result: PoseResult): PoseResult;
    private localBlend;
}