import { WorkbenchHostExternalStateSource, WorkbenchHostExternalStateLookupInput } from '@tutti-os/workbench-surface';
import { AgentGuiWorkbenchNodeState, AgentGuiWorkbenchState, AgentGuiWorkbenchWorkspaceState, AgentGuiWorkbenchProvider } from './types.js';

type AgentGuiWorkbenchStateLookupRequest = Pick<WorkbenchHostExternalStateLookupInput, "instanceId" | "typeId"> & Partial<Pick<WorkbenchHostExternalStateLookupInput, "nodeId">>;
declare function createDefaultAgentGuiWorkbenchNodeState(provider?: AgentGuiWorkbenchProvider): AgentGuiWorkbenchNodeState;
declare function normalizeAgentGuiWorkbenchState(state: unknown): AgentGuiWorkbenchState;
/**
 * One-time persisted-state reader for snapshots written before agentTargetId
 * became the canonical AgentGUI selection key. Current-state normalizers stay
 * strict so live callers cannot continue using the removed alias.
 */
declare function migrateLegacyAgentGuiWorkbenchState(state: unknown): unknown;
declare function projectAgentGuiWorkbenchState(state: AgentGuiWorkbenchNodeState): AgentGuiWorkbenchState;
declare function areAgentGuiWorkbenchStatesEqual(left: AgentGuiWorkbenchState, right: AgentGuiWorkbenchState): boolean;
declare function normalizeAgentGuiWorkbenchNodeState(state: unknown, fallbackProvider?: AgentGuiWorkbenchProvider): AgentGuiWorkbenchNodeState;
declare function areAgentGuiWorkbenchNodeStatesEqual(left: AgentGuiWorkbenchNodeState, right: AgentGuiWorkbenchNodeState): boolean;
declare function createAgentGuiWorkbenchNodeStateSource(input: {
    typeId?: string;
    workspaceId: string;
}): {
    externalStateSource: WorkbenchHostExternalStateSource<AgentGuiWorkbenchState | null, AgentGuiWorkbenchWorkspaceState>;
    readNodeState: (request: AgentGuiWorkbenchStateLookupRequest) => AgentGuiWorkbenchState | null;
    writeNodeState: (request: AgentGuiWorkbenchStateLookupRequest & {
        state: AgentGuiWorkbenchState;
    }) => void;
    /**
     * Returns the launch instanceId of an open node currently showing the given
     * agent session, or null when none is found. Used to focus an existing
     * conversation instead of launching a duplicate node.
     */
    findInstanceIdByAgentSessionId: (agentSessionId: string) => string | null;
};

export { areAgentGuiWorkbenchNodeStatesEqual, areAgentGuiWorkbenchStatesEqual, createAgentGuiWorkbenchNodeStateSource, createDefaultAgentGuiWorkbenchNodeState, migrateLegacyAgentGuiWorkbenchState, normalizeAgentGuiWorkbenchNodeState, normalizeAgentGuiWorkbenchState, projectAgentGuiWorkbenchState };