/**
 * TUI filter bar component — interactive search and filter controls.
 *
 * Provides text-based agent/session search, inline status toggle buttons,
 * and session ID filtering, plus a "filtered: N of M items" indicator.
 *
 * Rendered below the pulse when filter mode is toggled via `ctrl+f`.
 *
 * Inline "buttons" are rendered as styled text spans — active filters
 * are bracketed and bold, inactive ones are dimmed. Status toggles are
 * driven by `1`-`4` keys.
 *
 * @module
 */
import type { ThemeColors } from "../helpers.ts";
export interface StatusFilterDef {
    key: string;
    label: string;
    glyph: string;
}
export declare const STATUS_FILTERS: StatusFilterDef[];
export interface FilterBarProps {
    c: ThemeColors;
    /** Current text-based filter string. */
    filterText: string;
    /** Set of status keys currently active. Empty = all statuses shown. */
    activeStatuses: Set<string>;
    /** Currently selected session ID for filtering, or null for all. */
    sessionFilterId: string | null;
    /** Filter indicator counts. */
    totalItems: number;
    filteredItems: number;
    /** Available session IDs to filter by (deduplicated, sorted). */
    availableSessions: string[];
    /** The sidebar's own session ID (always shown). */
    currentSessionId: string;
    /** Called when a status filter button is clicked. */
    onToggleStatus?: (status: string) => void;
    /** Called when a session filter selector is clicked (pass session ID or null for all). */
    onSelectSession?: (sessionId: string | null) => void;
    /** Called when the filter bar close is clicked. */
    onClose?: () => void;
}
export declare function renderFilterBar(props: FilterBarProps): any;
/**
 * Compute total unfiltered item count from a snapshot.
 * Sums active functions, tasks, graphs, engine graphs, and loops.
 */
export declare function countTotalItems(data: {
    fns: unknown[];
    tasks: unknown[];
    graphs: unknown[];
    engineGraphs?: unknown[];
    loops: unknown[];
}): number;
/**
 * Collect unique session IDs from the activity data for the filter selector.
 */
export declare function collectSessionIds(tasks: {
    sessionId?: string | null;
}[], fns: {
    sessionId: string;
}[], graphs: {
    sessionId: string;
}[], loops: {
    originSessionId?: string | null;
}[]): string[];
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