export declare function bytes32FromUtf8(label: string, value: string): string;
export declare function instructionIdFromTxHash(txHash: string): string;
export declare function uetrFromTxHash(txHash: string): string;
export declare function uetrBytes32FromTxHash(txHash: string): string;
export declare function hashShortUtf8(value: string): string;
/** KTT off-chain test-key attestation per SMART_CONTRACTS_ISO20022_FIN_METHODOLOGY §5.3 */
export declare function authAttestationHashFromProof(testKeyProof: string, normalizedBody: string): string;
