import type { UiQueryResult, UiEvent } from '../../platform/tui/protocol.js';
export interface TabData {
    data: unknown[];
    loading: boolean;
    error: string | null;
    lastUpdated: number | null;
}
export type TabName = 'threads' | 'tasks' | 'schedules' | 'executions' | 'cost';
export interface DashState {
    tabs: Record<TabName, TabData>;
    pendingQueries: Set<string>;
}
export declare const EMPTY_DASH_STATE: DashState;
export declare const TAB_SCOPES: Record<TabName, {
    queryId: string;
    events: string[];
}>;
export declare function _createPendingQuery(prev: DashState, tab: TabName): DashState;
export declare function _clearPendingQuery(prev: DashState, tab: TabName): DashState;
export declare function _handleQueryResult(prev: DashState, queryId: string, scopes: Record<string, {
    queryId: string;
    events: string[];
}>, frame: UiQueryResult): DashState;
export declare function _handleEvent(prev: DashState, activeSubscriptions: Map<string, TabName>, frame: UiEvent): DashState;
export declare function useDashboardData(): {
    state: DashState;
    dispatch: (frame: UiQueryResult | UiEvent) => void;
    markPending: (tab: TabName) => void;
    registerSubscription: (queryId: string, tab: TabName) => void;
    unregisterSubscription: (queryId: string) => void;
    activeSubscriptions: Map<string, TabName>;
};