import type { EncryptedEnvelope } from '../../types.js';
import type { EnclaveKey } from '../crypto.js';
export interface RevealEngineCtx {
    readonly collection: string;
    readonly encrypted: boolean;
    getEnvelope(id: string): Promise<EncryptedEnvelope | null>;
    resolveCek(env: EncryptedEnvelope): Promise<EnclaveKey | undefined>;
    getDEK(): Promise<EnclaveKey>;
}
export declare function revealSealedField(ctx: RevealEngineCtx, id: string, field: string): Promise<unknown>;