}
Timestamp tsValue = null;
if (isLowerBoundary) {
tsValue = inclusive ? proxy.asFromTimestamp() : proxy.asFromTimestampExcl();
} else if (isUpperBoundary) {
tsValue = inclusive ? proxy.asToTimestamp() : proxy.asToTimestampExcl();
} else {
tsValue = inclusive ? proxy.asFromTimestamp() : proxy.asFromTimestampExcl();
}
if (tsValue == null) {