boolean skipLocking = hasSkipLocking(command);
long lockTimeout = getLockAcquisitionTimeout(command, skipLocking);
for (Object key : compositeKeys) {
performWriteSkewCheck(txC, key);
lockAndRegisterBackupLock(txC, key, lockTimeout, skipLocking);
txC.addAffectedKey(key);
}
}
return null;
}