exception.expect(NullArgumentException.class);
        exception.expectMessage(is("[ECL0008]argument[props] is null."));
        final InputStream inputStream = ResourceUtil.getResourceAsStream("org/codelibs/core/io/test.properties");
        PropertiesUtil.load(null, inputStream);
    }

    /**
     * Test method for

    Collection<V> collection = asMap().get(key);
    return collection != null && collection.contains(value);
  }

  @CanIgnoreReturnValue
  @Override
  public boolean remove(@Nullable Object key, @Nullable Object value) {
    Collection<V> collection = asMap().get(key);
    return collection != null && collection.remove(value);
  }

  @CanIgnoreReturnValue
  @Override

        if (map != null) {
            final String[] queries = map.get(toLowerCase(query));
            if (queries != null) {
                return queries;
            }
        }
        return StringUtil.EMPTY_STRINGS;
    }

    private String toLowerCase(final String term) {
        return term != null ? term.toLowerCase(Locale.ROOT) : term;
    }

        // Test constructor with null message
        DictionaryException exception = new DictionaryException(null);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withNullMessageAndCause() {
        // Test constructor with null message but valid cause

   *
   * <p>{@code putInstance(Foo.class, foo)} is equivalent to {@code
   * putInstance(TypeToken.of(Foo.class), foo)}.
   *
   * @return the value previously associated with this class (possibly {@code null}), or {@code
   *     null} if there was no previous entry.
   */
  @CanIgnoreReturnValue
  <T extends B> @Nullable T putInstance(Class<@NonNull T> type, @ParametricNullness T value);

  /**

   *
   * <p>{@code putInstance(Foo.class, foo)} is equivalent to {@code
   * putInstance(TypeToken.of(Foo.class), foo)}.
   *
   * @return the value previously associated with this class (possibly {@code null}), or {@code
   *     null} if there was no previous entry.
   */
  @CanIgnoreReturnValue
  <T extends B> @Nullable T putInstance(Class<@NonNull T> type, @ParametricNullness T value);

  /**

  /** Returns the SSL socket factory, or null if this is not an HTTPS address. */
  @get:JvmName("sslSocketFactory") val sslSocketFactory: SSLSocketFactory?,
  /** Returns the hostname verifier, or null if this is not an HTTPS address. */
  @get:JvmName("hostnameVerifier") val hostnameVerifier: HostnameVerifier?,
  /** Returns this address's certificate pinner, or null if this is not an HTTPS address. */

        pageSize = getDefaultPageSize();
        currentPageNumber = getDefaultCurrentPageNumber();

        id = null;
        url = null;
        threadName = null;
        errorCount = null;
        lastAccessTime = null;
        errorCountMin = null;
        errorCountMax = null;
        errorName = null;

    }

    /**
     * Gets the default current page number.
     *

        KerberosEncData encData = new KerberosEncData(encoded, Collections.emptyMap());

        assertEquals(null, encData.getUserRealm());
        assertEquals(null, encData.getUserPrincipalName());
        assertEquals(null, encData.getUserAddresses());
        assertEquals(null, encData.getUserAuthorizations());
    }

    } catch (e: InvocationTargetException) {
      // https://github.com/square/okhttp/issues/5587
      val cause = e.cause
      when {
        cause is NullPointerException && cause.message == "ssl == null" -> null
        else -> throw AssertionError(e)
      }
    }
  }

  companion object {
    val playProviderFactory: DeferredSocketAdapter.Factory =
      factory("com.google.android.gms.org.conscrypt")

    /**