import type { Board } from "./model.js";
import type { Op } from "./ops.js";
export declare function isHumanEvidenceActor(actor: string): boolean;
/** Validate at the write boundary, including the target of an acceptance operation.
 * For an accepted proposed mapping pass the actual reviewer actor with propose=false.
 * This does not authenticate actors; the transport supplies its trusted identity.
 */
export declare function validateEvidenceOperation(board: Board, op: Op, actor: string, propose?: boolean): void;