SonarCloud points out that these two should probably be computed in longs:
   public static final long MASK_THROTTLE = 1 << 62;
   public static final long MASK_THROTTLE_CHECK = 1 << 63;

They indeed look like setting a single bit. Yet, since original `1` is int, this computes in int domain, which either sets a wrong bit due to wrap-around, or sets up for an awkward sign extension in later int-to-long promotion.

Observe:

jshell> Long.toHexString(1 << 62)
$1 ==> "40000000"

jshell> Long.toHexString(1 << 63)
$2 ==> "ffffffff80000000"

...while the correct behavior is likely:

jshell> Long.toHexString(1L << 62)
$3 ==> "4000000000000000"

jshell> Long.toHexString(1L << 63)
$4 ==> "8000000000000000"