import type { AccessTier } from './types.js';
/** A knowledge entry row. */
type KnowledgeEntry = {
    id: number;
    category: string;
    summary: string;
    details: string;
    memorialVisible: boolean;
    releaseAfter?: string;
    createdAt: string;
    updatedAt: string;
};
/** Check if a time-locked item is currently released. */
declare function isReleased(releaseAfter?: string): boolean;
/** Add a knowledge entry. Returns the new row ID. */
declare function addEntry(ownerId: string, category: string, summary: string, details: string, memorialVisible?: boolean, releaseAfter?: string): number;
/** List entries for an owner, optionally filtered by category. */
declare function listEntries(ownerId: string, category?: string): KnowledgeEntry[];
/** Delete a knowledge entry. Returns true if deleted. */
declare function deleteEntry(ownerId: string, entryId: number): boolean;
/** Get entries compiled for the Black Box, filtered by redactions and scoped by tier. */
declare function getCompiledEntries(ownerId: string, redactions: string[], tier: AccessTier): KnowledgeEntry[];
/** Get count of still-locked entries for an owner. */
declare function getLockedCount(ownerId: string): {
    total: number;
    locked: number;
};
export { addEntry, listEntries, deleteEntry, getCompiledEntries, getLockedCount, isReleased };
export type { KnowledgeEntry };