*/
    public boolean equals(Object other) {
        if (this == other) {
            return true;
        } else if (!(other instanceof ToolchainModel)) {
            return false;
        } else {
            ToolchainModel that = (ToolchainModel) other;
            return java.util.Objects.equals(this.getType(), that.getType())
                && java.util.Objects.equals(this.getProvides(), that.getProvides());

        }
        if (DEFAULT_FIELD.equals(field)) {
            return convertDefaultTermQuery(fessConfig, context, termQuery, boost, field, text);
        }
        if (SORT_FIELD.equals(field)) {
            return convertSortQuery(fessConfig, context, termQuery, boost, field, text);
        }
        if (SITE_FIELD.equals(field)) {

  }

  @Override
  public boolean equals(@CheckForNull Object object) {
    if (object == this) {
      return true;
    } else if (object instanceof RegularContiguousSet) {
      RegularContiguousSet<?> that = (RegularContiguousSet<?>) object;
      if (this.domain.equals(that.domain)) {
        return this.first().equals(that.first()) && this.last().equals(that.last());
      }
    }

    }

    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        final StemmerOverrideItem other = (StemmerOverrideItem) obj;
        if (!Objects.equals(input, other.input) || !Objects.equals(output, other.output)) {
            return false;
        }

   * equal to each other. If two {@linkplain Object#equals equal} inputs are given to this method,
   * both calls will return the same instance. That is, {@code intern(a).equals(a)} always holds,
   * and {@code intern(a) == intern(b)} if and only if {@code a.equals(b)}. Note that {@code
   * intern(a)} is permitted to return one instance now and a different instance later if the

                                                value, valueSources, postProcessors, debugEnabled);

                                        if (!interpolated.equals(value)) {
                                            field.set(target, interpolated);
                                        }
                                    }

    /**
     * helper for equals
     */
    private static boolean objectsEqual(Object o1, Object o2) {
        if (o1 == null && o2 == null) {
            return true;
        }
        if (o1 == null || o2 == null) {
            return false; // as they are not both null
        }
        return o1.equals(o2);
    }

        @Override
        public boolean equals(Object o) {
            if (this == o) {
                return true;
            }
            if (o == null || getClass() != o.getClass()) {
                return false;
            }
            CombinationItem that = (CombinationItem) o;
            return Objects.equals(stringPart, that.stringPart) && Objects.equals(digitPart, that.digitPart);
        }

         * if ( version == null || !version.equals( parent.getVersion() ) ) { return null; }
         */

        return new ModelData(candidateSource, candidateModel, groupId, artifactId, version);
    }

    private boolean rawChildVersionReferencesParent(String rawChildModelVersion) {
        return rawChildModelVersion.equals("${pom.version}")
                || rawChildModelVersion.equals("${project.version}")

        this.deprecated = deprecated;
    }

    public int hashCode() {
        return name.hashCode();
    }

    public boolean equals(Object other) {
        return (other instanceof Parameter) && getName().equals(((Parameter) other).getName());
    }

    public String getAlias() {
        return alias;
    }

    public void setAlias(String alias) {