/**
 * Prompt rendering functions for knowledge tools.
 * Domain-agnostic: covers any type of knowledge worth remembering.
 */
import type { NoteMetadata } from './storage/NoteRepository.js';
export declare const KIND_GUIDANCE: Record<string, string>;
/**
 * Compute staleness in whole days from the most recent activity timestamp.
 * Uses last_accessed_at if available, otherwise falls back to created_at.
 * Pure computation — no judgment, no filtering.
 */
export declare function computeStaleness(note: {
    created_at: number;
    last_accessed_at?: number;
}): number;
export declare function renderNoteForAgent(note: NoteMetadata, project?: string): string;
export declare function renderNoteForSearch(note: NoteMetadata, project?: string): string;
export declare function emptyKbHint(directory: string): string;
//# sourceMappingURL=prompts.d.ts.map