*             installation has failed
     * @throws IllegalArgumentException if {@code request} is {@code null} or parameter
     *             {@code localRepository} is {@code null} or {@code localRepository} is not a directory
     *             or parameter {@code mavenArtifacts} is {@code null} or
     *             {@code mavenArtifacts.isEmpty()} is {@code true}.
     */

  public void testNullMap() {
    assertThrows(NullPointerException.class, () -> ArrayBasedEscaperMap.create(null));
  }

  public void testEmptyMap() {
    Map<Character, String> map = ImmutableMap.of();
    ArrayBasedEscaperMap fem = ArrayBasedEscaperMap.create(map);
    // Non-null array of zero length.
    assertThat(fem.getReplacementArray()).isEmpty();
  }

  public void testMapLength() {

            final CredentialsInternal renewed = renewable.renew();
            if (renewed != null) {
                this.creds = renewed;
                return true;
            }
        }
        final NtlmAuthenticator auth = NtlmAuthenticator.getDefault();
        if (auth != null) {
            final NtlmPasswordAuthenticator newAuth =

public interface ToolchainManagerPrivate {

    /**
     * Retrieves every toolchains of given type available in user settings.
     *
     * @param type the type, must not be {@code null}
     * @param context the Maven session, must not be {@code null}
     * @since 3.0 (addition of the <code>MavenSession</code> parameter)
     */
    ToolchainPrivate[] getToolchainsForType(String type, MavenSession context) throws MisconfiguredToolchainException;

     * @param message The detail message of the problem, may be {@code null}.
     * @param line The one-based index of the line containing the problem or {@code -1} if unknown.
     * @param column The one-based index of the column containing the problem or {@code -1} if unknown.
     * @param cause The cause of the problem, may be {@code null}.
     */

		currentDefaultNotNull := field.HasDefaultValue && (field.DefaultValueInterface != nil || !strings.EqualFold(field.DefaultValue, "NULL"))
		dv, dvNotNull := columnType.DefaultValue()
		if dvNotNull && !currentDefaultNotNull {
			// default value -> null
			alterColumn = true
		} else if !dvNotNull && currentDefaultNotNull {
			// null -> default value
			alterColumn = true
		} else if currentDefaultNotNull || dvNotNull {

        final String fieldName = item.getFieldName();
        final Charset encoding = Charset.forName(request.getCharacterEncoding());
        String value = null;
        boolean haveValue = false;
        if (encoding != null) {
            try {
                value = item.getString(encoding);
                haveValue = true;
            } catch (final Exception e) {}
        }

            }
        }

        try (CloseableIterator<SmbResource> it = SmbEnumerationUtil.doEnum(src, "*",
                SmbConstants.ATTR_DIRECTORY | SmbConstants.ATTR_HIDDEN | SmbConstants.ATTR_SYSTEM, null, null)) {
            while (it.hasNext()) {
                try (SmbResource r = it.next()) {
                    try (SmbFile ndest = new SmbFile(dest, r.getLocator().getName(), true, r.getLocator().getType(), r.getAttributes(),

        String value = request.getParameter("type");
        if (value == null) {
            final String servletPath = request.getServletPath();
            final String[] values = servletPath.replaceAll("/+", "/").split("/");
            if (values.length > 2) {
                value = values[2];
            }
        }
        if (value == null) {
            return FormatType.SEARCH;
        }

  /**
   * A word about using {@link Equivalence}, which automatically checks for {@code null} and
   * identical inputs: This sounds like it ought to be a problem here, since the goals of this class
   * include testing that {@code equals()} is reflexive and is tolerant of {@code null}. However,
   * there's no problem. The reason: {@link EqualsTester} tests {@code null} and identical inputs