public <K> List<K> registerInterestOn(final @NotNull ServerLocation sl, final @NotNull K key,
      final @NotNull InterestType interestType, final @NotNull InterestResultPolicy policy,
      final boolean isDurable, final @NotNull DataPolicy regionDataPolicy) {
    return registerInterestOn(sl, key, interestType, policy, isDurable, false, regionDataPolicy);
  }
Does a region registerInterest on a server described by the given server location
<p>
Note that this call by-passes the RegisterInterestTracker.

@param sl the server to do the register interest on.
@param key describes what we are interested in
@param interestType the {@link InterestType} for this registration
@param policy the interest result policy for this registration
@param isDurable true if this registration is durable
@param regionDataPolicy the data policy ordinal of the region
@return list of keys
geode-core/src/main/java/org/apache/geode/cache/client/internal/ServerRegionProxy.java