func (s *Scanner) Err() error {
	if s.err == io.EOF {
		return nil
	}
	return s.err
}

// Bytes returns the most recent token generated by a call to [Scanner.Scan].
// The underlying array may point to data that will be overwritten
// by a subsequent call to Scan. It does no allocation.
func (s *Scanner) Bytes() []byte {
	return s.token
}

        if (StringUtil.isBlank(input)) {
            return input;
        }
        return ComponentUtil.getDocumentHelper().encodeSimilarDocHash(input);
    }

    /**
     * Joins array or list elements into a single space-separated string.
     *
     * @param input the input object (String[], List, or String)
     * @return joined string with elements separated by spaces, or empty string if invalid input

        assertEquals("arg1", pythonJob.argList.get(0));
        assertEquals("arg2", pythonJob.argList.get(1));
        assertEquals("arg3", pythonJob.argList.get(2));
    }

    // Test args with empty array
    public void test_args_empty() {
        PythonJob result = pythonJob.args();

        assertSame(pythonJob, result);
        assertTrue(pythonJob.argList.isEmpty());
    }

--- a/misc/sys/cdefs.h
+++ b/misc/sys/cdefs.h
@@ -391,6 +391,15 @@
 
 #include <bits/wordsize.h>
 
+#if __GNUC_PREREQ (8, 0)
+/* Describes a char array whose address can safely be passed as the first
+   argument to strncpy and strncat, as the char array is not necessarily
+   a NUL-terminated string.  */
+# define __attribute_nonstring__ __attribute__ ((__nonstring__))
+#else
+# define __attribute_nonstring__
+#endif
+

     * Resolves all addresses for the given hostname.
     *
     * @param hostname the hostname to resolve
     * @param possibleNTDomainOrWorkgroup whether to perform additional name query for master browser
     * @return array of resolved UniAddress instances
     * @throws UnknownHostException if the host cannot be resolved
     */

        assertSame(mockName, nbtAddress.getName());
    }

    @Test
    void testGetAddress() {
        // Test getAddress for correct byte array conversion
        mockName = new Name(mockConfig, "TEST", 0x20, null);
        NbtAddress nbtAddress = new NbtAddress(mockName, testAddressInt, false, NbtAddress.H_NODE);

        testParams.conditions.put(SearchRequestParams.AS_Q, null);
        assertFalse(searchRequestParams.hasConditionQuery());
    }

    public void test_hasConditionQuery_withEmptyArray() {
        // Test with empty array
        testParams.conditions.put(SearchRequestParams.AS_Q, new String[] {});
        assertFalse(searchRequestParams.hasConditionQuery());
    }

    // Test for isEmptyArray method

        assertNull(crawlerContext.removeSitemaps());

        // Test with null
        crawlerContext.addSitemaps(null);
        assertNull(crawlerContext.removeSitemaps());

        // Test with empty array
        crawlerContext.addSitemaps(new String[0]);
        String[] emptyArray = crawlerContext.removeSitemaps();
        assertNotNull(emptyArray);
        assertEquals(0, emptyArray.length);
    }

    /**

import static com.google.common.collect.Sets.symmetricDifference;
import static com.google.common.collect.Sets.union;
import static com.google.common.truth.Truth.assertThat;
import static java.util.Arrays.asList;
import static java.util.Collections.emptySet;
import static java.util.Collections.singleton;

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

                // Clear sensitive data
                if (this.sessionKey != null) {
                    java.util.Arrays.fill(this.sessionKey, (byte) 0);
                    this.sessionKey = null;
                }

                if (this.preauthIntegrityHash != null) {
                    java.util.Arrays.fill(this.preauthIntegrityHash, (byte) 0);
                    this.preauthIntegrityHash = null;
                }