import { Group } from "./Group";
import { Layer } from "./Layer";
import { Psd } from "./Psd";
export type Node = Psd | Group | Layer;
export type NodeParent = Psd | Group;
export type NodeChild = Group | Layer;
export declare function isNodeParent(node: Node): node is NodeParent;
export declare function isNodeChild(node: Node): node is NodeChild;
export declare function assertIsNodeParent(node: Node): asserts node is NodeParent;
export declare function assertIsNodeChild(node: Node): asserts node is NodeChild;
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