/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { State } from "@breadboard-ai/shared-ui";
import { SideBoardRuntime } from "@breadboard-ai/shared-ui/sideboards/types.js";
import { BoardServer } from "@breadboard-ai/types";
import { EditableGraph, MainGraphIdentifier, MutableGraphStore } from "@google-labs/breadboard";
export { StateManager };
/**
 * Holds various important bits of UI state
 */
declare class StateManager {
    #private;
    constructor(store: MutableGraphStore, runtime: SideBoardRuntime, boardServers: BoardServer[]);
    getOrCreateUIState(): State.UI;
    getOrCreateProjectState(mainGraphId?: MainGraphIdentifier, editable?: EditableGraph | null): State.Project | null;
}
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