assertNotNull(result);
    }

    /**
     * Test that convertWithFieldCheck() pattern reduces code duplication.
     * This test demonstrates how the template method can be used to replace
     * repetitive field checking logic.
     */
    @Test
    public void test_convertWithFieldCheck_reducesCodeDuplication() {
        FessConfig fessConfig = ComponentUtil.getFessConfig();

 * default} methods. Instead, it inherits their default implementations. When those implementations
 * invoke methods, they invoke methods on the {@code ForwardingNavigableSet}.
 *
 * <p>Each of the {@code standard} methods uses the set's comparator (or the natural ordering of the
 * elements, if there is no comparator) to test element equality. As a result, if the comparator is

            doColumn("roles");
        }

        public void columnSearchWord() {
            doColumn("searchWord");
        }

        public void columnUser() {
            doColumn("user");
        }

        public void columnUserAgent() {
            doColumn("userAgent");
        }

        public void columnUserInfoId() {
            doColumn("userInfoId");
        }

import com.google.common.annotations.J2ktIncompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.io.IOException;

/**
 * Package-protected abstract class that implements the line reading algorithm used by {@link
 * LineReader}. Line separators are per {@link java.io.BufferedReader}: line feed, carriage return,
 * or carriage return followed immediately by a linefeed.
 *

	if strings.Contains(s, "\r") {
		log.Printf("%s: contains CRLFs", filename)
		exitCode = 1
	}
	if filepath.Base(filename) == "go1.4.txt" {
		// No use for blank lines in api files, except go1.4.txt
		// used them in a reasonable way and we should let it be.
	} else if strings.HasPrefix(s, "\n") || strings.Contains(s, "\n\n") {
		log.Printf("%s: contains a blank line", filename)
		exitCode = 1
	}

					// Used in test case  4.
				case TooBigObject:
					req.ContentLength = globalMaxObjectSize + 1
					// Malformed signature.
					// Used in test case  6.
				case BadSignature:
					req.Header.Set("authorization", req.Header.Get("authorization")+"a")
					// Setting an invalid Content-MD5 to force a Md5 Mismatch error.
					// Used in tesr case 7.
				case BadMD5:

    protected class MappingUpdater implements Closeable {

        /** Flag indicating whether changes should be committed to the file. */
        protected boolean isCommit = false;

        /** Temporary file used for writing updates before committing. */
        protected File newFile;

        /** Writer for outputting content to the temporary file. */
        protected Writer writer;

      }
      return result;
    }

    /**
     * Following the contract of {@link AbstractQueuedSynchronizer} we create a private subclass to
     * hold the synchronizer. This synchronizer is used to implement the blocking and waiting calls
     * as well as to handle state changes in a thread-safe manner. The current state of the future

        // Default constructor
    }

    private static final Logger logger = LogManager.getLogger(QueryProcessor.class);

    /**
     * Map of query commands indexed by query class simple names.
     * Used to lookup appropriate command handlers for different query types.
     */
    protected Map<String, QueryCommand> queryCommandMap = new HashMap<>();

    /**
     * List of filters that will be applied during query processing.

   * approaches 2 or 3 are used.
   */
  private static final int ZERO_COPY_CHUNK_SIZE = 512 * 1024;

  private ByteStreams() {}

  /**
   * Copies all bytes from the input stream to the output stream. Does not close or flush either
   * stream.
   *
   * <p><b>Java 9 users and later:</b> this method should be treated as deprecated; use the
   * equivalent {@link InputStream#transferTo} method instead.