public DLockGrantToken getGrantToken(Object name) {
    synchronized (grantTokens) {
      return basicGetGrantToken(name);
    }
  }
Returns the DLockGrantToken from grant tokens map stored under the key name.
<p>
Synchronizes on grantTokens.
geode-core/src/main/java/org/apache/geode/distributed/internal/locks/DLockGrantor.java