import type { SessionMessageEntry } from '@earendil-works/pi-coding-agent';
import type { Source } from './types.js';
/** Preserve pre-upgrade receipt identities without matching any source text. */
export declare function normalizeSaveContent(content: string): string;
/** Shared receipt identity for tool saves and collection's verifier.
 * The entry is the initiating user-turn anchor, NOT verbatim content evidence.
 * Keep this identity stable for existing receipts, revocation and recovery.
 */
export declare function explicitSaveSource(sessionId: string, entry: SessionMessageEntry, content: string): Source;