/**
 * The router (DES-TRIGGER-REGISTRY-001 §4.6): which enabled entries a key point reaches.
 *
 * The type set is precomputed per source, so the 68% of CoreEvents that are `unitOutputDelta` are
 * rejected by one `Set.has` on the hot path (`wants`). The filter is JSON-path equality, an AND of
 * keys; an array value means "any of".
 */
import type { WatchEntrySource, WatchPriority } from 'wicked-crew-api-types';
import type { KeyPointInput, LoadedEntry } from './types.js';
/** True when `event` satisfies every key of `filter` (an array value: any of its members). */
export declare function matchesFilter(filter: Record<string, unknown>, event: unknown): boolean;
export declare class Router {
    private readonly byKey;
    private readonly priorityByKey;
    constructor(entries: readonly LoadedEntry[]);
    /** O(1): the input's priority when some enabled entry listens for it, else `null` (drop it). */
    wants(source: WatchEntrySource, type: string): WatchPriority | null;
    /** The enabled entries whose `on` and `filter` the input satisfies. */
    route(input: KeyPointInput): LoadedEntry[];
    /** Every bus type an enabled entry listens for (the bus pull reads only these). */
    busTypes(): string[];
    /** Enabled entries of one source (coverage, internal ticks). */
    entriesOf(source: WatchEntrySource): LoadedEntry[];
}
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