import { type TransactionMetadata, type EggProtoImplClass } from '@eggjs/tegg-types';
export declare class TransactionMetadataUtil {
    static setIsTransactionClazz(clazz: EggProtoImplClass): void;
    static isTransactionClazz(clazz: EggProtoImplClass): boolean;
    static addTransactionMetadata(clazz: EggProtoImplClass, data: TransactionMetadata): void;
    static getTransactionMetadataList(clazz: EggProtoImplClass): TransactionMetadata[];
}