export declare const STATE_CONTEXT_KEY: unique symbol;
/** @inline */
export type NodeState = {
    collapsed: boolean;
};
/** @inline */
export type CollapseState = Record<string, NodeState>;
export declare function createState(init: CollapseState, onChange?: (value: CollapseState) => void): {
    value: CollapseState;
    setCollapse: (keyOrPath: string | PropertyKey[], newValues: NodeState) => void;
    setCollapseStartsWith: (keyOrPath: string | PropertyKey[], newValues: NodeState) => void;
    setCollapseWhere: (test: (path: string) => boolean, newValues: NodeState) => void;
    getCollapse(keyOrPath: string | PropertyKey[]): NodeState;
    collapseChildren: (level: number, path: PropertyKey[]) => void;
    expandChildren: (currentLevel: number, currentPath: string | PropertyKey[]) => void;
};
export type StateContext = ReturnType<typeof createState>;
export declare function useState(): StateContext;