public void addFirst(Connection connection, boolean accessed) {
    passivate(connection, accessed);
    connections.addFirst(connection);
  }
Passivate and add the given connection to this manager as its first, highest priority
connection.

@param connection the connection to passivate and add
@param accessed true if the connection was used by the caller, false otherwise
geode-core/src/main/java/org/apache/geode/cache/client/internal/pooling/AvailableConnectionManager.java