return arrays != null && arrays.length != 0;
    }

    /**
     * Returns {@literal true} if the array is {@literal null} or has a length of 0.
     *
     * @param arrays
     *            the array
     * @return {@literal true} if the array is {@literal null} or has a length of 0
     */
    public static boolean isEmpty(final float[] arrays) {
        return arrays == null || arrays.length == 0;
    }

        }
        return true;
    }

    @Override
    public String toString() {
        return "SynonymItem [id=" + id + ", inputs=" + Arrays.toString(inputs) + ", outputs=" + Arrays.toString(outputs) + ", newInputs="
                + Arrays.toString(newInputs) + ", newOutputs=" + Arrays.toString(newOutputs) + "]";
    }

    /**
     * Converts the item to a string representation for writing to a file.
     *

            byte[] longFileId = new byte[32];
            Arrays.fill(longFileId, (byte) 0xCD);
            request.setFileId(longFileId);

            Arrays.fill(buffer, (byte) 0);
            bytesWritten = request.writeBytesWireFormat(buffer, 0);

            assertEquals(48, bytesWritten);
            assertArrayEquals(Arrays.copyOfRange(longFileId, 0, 16), Arrays.copyOfRange(buffer, 8, 24));
        }

        @Test

        assertNotNull(second);
        // Due to round-robin, should get different channels or same order
        assertTrue(Arrays.asList(channel1, channel2).contains(first));
        assertTrue(Arrays.asList(channel1, channel2).contains(second));
    }

    @Test
    void testLeastLoadedStrategy() {
        loadBalancer.setStrategy(LoadBalancingStrategy.LEAST_LOADED);

        // Change file ID
        byte[] newFileId1 = new byte[16];
        Arrays.fill(newFileId1, (byte) 0xAA);
        request.setFileId(newFileId1);

        // Change flags
        request.setCloseFlags(0x0000);

        // Change file ID again
        byte[] newFileId2 = new byte[16];
        Arrays.fill(newFileId2, (byte) 0xBB);
        request.setFileId(newFileId2);

            throw new IllegalArgumentException("Lease key must be 16 bytes, got " + key.length);
        }
        this.key = Arrays.copyOf(key, LEASE_KEY_SIZE);
    }

    /**
     * Get the lease key bytes
     *
     * @return copy of the 16-byte lease key
     */
    public byte[] getKey() {
        return Arrays.copyOf(key, LEASE_KEY_SIZE);
    }

    /**
     * Write the lease key to a buffer
     *

            byte[] longFileId = new byte[32];
            Arrays.fill(longFileId, (byte) 0xCD);
            request.setFileId(longFileId);

            Arrays.fill(buffer, (byte) 0);
            bytesWritten = request.writeBytesWireFormat(buffer, 0);

            assertEquals(49, bytesWritten);
            assertArrayEquals(Arrays.copyOfRange(longFileId, 0, 16), Arrays.copyOfRange(buffer, 16, 32));
        }
    }

        CurlResponse response = new CurlResponse();
        Map<String, List<String>> headers = new HashMap<>();
        headers.put("Content-Type", Arrays.asList("application/json"));
        headers.put("CONTENT-LENGTH", Arrays.asList("100"));
        headers.put("accept-encoding", Arrays.asList("gzip"));
        response.setHeaders(headers);

        // All header access should be case-insensitive

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.lang.reflect.Field;
import java.util.Arrays;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.net.MalformedURLException;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Stream;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;