/**
 * Search Group — Shared Helpers
 *
 * Extracted from search.ts to support the search/ module split.
 * Contains merge/dedup logic and shared constants.
 */
import type { JournalEntry } from '../../../types/index.js';
import type { IDatabaseAdapter } from '../../../database/core/interfaces.js';
export interface EntryWithSource {
    content: string;
    timestamp: string;
    source: 'personal' | 'team';
    team_db?: string;
    [key: string]: unknown;
}
export interface ISearchFilters {
    limit?: number;
    isPersonal?: boolean;
    projectNumber?: number;
    issueNumber?: number;
    prNumber?: number;
    prStatus?: string;
    workflowRunId?: number;
    tags?: string[];
    entryType?: string;
    startDate?: string;
    endDate?: string;
    includeTeam?: boolean;
    includeArchived?: boolean;
    workspaceId?: string;
}
/**
 * When merging across personal + team DBs, fetch more per-DB so BM25
 * ranking in one DB doesn't silently drop entries before the merge.
 */
export declare function calcPerDbLimit(limit: number, hasTeamDb: boolean): number;
/**
 * Merge multiple arrays of entries, deduplicate by content/source,
 * and sort by timestamp descending.
 */
export declare function mergeMultipleSources(sources: EntryWithSource[][], limit?: number, sortBy?: 'timestamp' | 'importance'): EntryWithSource[];
/**
 * Merge personal and team results, deduplicate by content,
 * and sort by timestamp descending.
 */
export declare function mergeAndDedup(personal: EntryWithSource[], team: EntryWithSource[], limit?: number, sortBy?: 'timestamp' | 'importance'): EntryWithSource[];
/**
 * Filter an entry in-memory according to search options.
 * Used for post-filtering vector search results which don't support SQL metadata filtering.
 */
export declare function passMetadataFilters(entry: JournalEntry, options: ISearchFilters, db: IDatabaseAdapter): boolean;
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