server.enqueue(MockResponse(body = "a"))
    server.enqueue(MockResponse(body = "b"))
    client =
      client
        .newBuilder()
        .connectionPool(ConnectionPool(5, 250, TimeUnit.MILLISECONDS))
        .build()
    val request = Request(server.url("/"))
    val response1 = client.newCall(request).execute()
    assertThat(response1.body.string()).isEqualTo("a")

            // Verify timeout occurs
            assertThrows(TimeoutException.class, () -> {
                future.get(100, TimeUnit.MILLISECONDS);
            });

            // Cancel the future
            future.cancel(true);
        } finally {
            executor.shutdownNow();
        }
    }

            t.setDaemon(true);
            return t;
        });

        cleanupScheduler.scheduleWithFixedDelay(this::cleanup, cleanupInterval.toMillis(), cleanupInterval.toMillis(),
                TimeUnit.MILLISECONDS);

        log.info("Authentication rate limiter initialized: maxAccount={}, maxIp={}, maxGlobal={}/min", maxAttemptsPerAccount,
                maxAttemptsPerIp, maxGlobalAttemptsPerMinute);
    }

    /**

     */
    public abstract void send(ByteBuffer data, RdmaMemoryRegion region) throws IOException;

    /**
     * Receive data using RDMA
     *
     * @param timeout timeout in milliseconds
     * @return received data buffer, or null if timeout
     * @throws IOException if receive fails
     */
    public abstract ByteBuffer receive(int timeout) throws IOException;

    /**

import static com.google.common.util.concurrent.SneakyThrows.sneakyThrow;
import static java.util.concurrent.Executors.callable;
import static java.util.concurrent.Executors.newFixedThreadPool;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertThrows;

import com.google.common.annotations.GwtIncompatible;

        return this.dialect;
    }

    /**
     * Set key rotation limits
     *
     * @param bytesLimit maximum bytes to encrypt before rotation (0 to disable)
     * @param timeMillis maximum time in milliseconds before rotation (0 to disable)
     */
    public void setKeyRotationLimits(long bytesLimit, long timeMillis) {
        if (bytesLimit > 0) {
            this.keyRotationBytesLimit = bytesLimit;
        }

     * - Time since last successful notification
     * - Events per unit time for more adaptive behavior
     *
     * @param handle notification handle
     * @return polling interval in milliseconds
     */
    private long determinePollInterval(ChangeNotificationHandle handle) {
        int failures = getFailureCount(handle);

        // Base interval starts at 1 second, increases with failures

import static com.google.common.util.concurrent.Service.State.STOPPING;
import static com.google.common.util.concurrent.Service.State.TERMINATED;
import static java.util.Collections.sort;
import static java.util.concurrent.TimeUnit.MILLISECONDS;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.MoreObjects;
import com.google.common.base.Stopwatch;

import static com.google.common.cache.TestingWeighers.constantWeigher;
import static com.google.common.truth.Truth.assertThat;
import static java.util.concurrent.Executors.newFixedThreadPool;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;

import static com.google.common.cache.TestingWeighers.constantWeigher;
import static com.google.common.truth.Truth.assertThat;
import static java.util.concurrent.Executors.newFixedThreadPool;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;