exNodes.add(node);
        return this;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }

        if (MetadataGraphNode.class.isAssignableFrom(obj.getClass())) {
            MetadataGraphNode node2 = (MetadataGraphNode) obj;

            if (node2.metadata == null) {
                return metadata == null;
            }

        requireNonNull(context, "context cannot be null");
        return this;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        } else if (null == obj || !getClass().equals(obj.getClass())) {
            return false;
        }
        return true;
    }

    @Override
    public int hashCode() {

        }

        @Override
        public boolean equals(Object obj) {
            if (this == obj) {
                return true;
            }
            if (null == obj || !getClass().equals(obj.getClass())) {
                return false;
            }
            GavCacheKey that = (GavCacheKey) obj;
            return Objects.equals(this.gav, that.gav) && Objects.equals(this.tag, that.tag);

     *
     * @param obj The object to create a string representation for, may be <code>null</code>.
     * @return The string representation, never <code>null</code>.
     */
    private String toString(Object obj) {
        String str;
        if (obj != null && obj.getClass().isArray()) {
            int n = Array.getLength(obj);
            StringBuilder buf = new StringBuilder(256);

        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }

        if (!(obj instanceof TypeArtifactFilter)) {
            return false;
        }

        TypeArtifactFilter other = (TypeArtifactFilter) obj;

        return type.equals(other.type);
    }

        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }

        if (!(obj instanceof ScopeArtifactFilter)) {
            return false;
        }

        ScopeArtifactFilter other = (ScopeArtifactFilter) obj;

        return Objects.equals(scope, other.scope);
    }

    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }

        DelegatingLocalArtifactRepository other = (DelegatingLocalArtifactRepository) obj;

        return eq(buildReactor, other.buildReactor)

        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }

        if (!(obj instanceof CumulativeScopeArtifactFilter)) {
            return false;
        }

        CumulativeScopeArtifactFilter that = (CumulativeScopeArtifactFilter) obj;

        return scopes.equals(that.scopes);
    }

            return hashCode;
        }

        @Override
        public boolean equals(Object obj) {
            if (this == obj) {
                return true;
            }
            if (!(obj instanceof GAKey)) {
                return false;
            }

            GAKey other = (GAKey) obj;
            return Objects.equals(artifactId, other.artifactId) && Objects.equals(groupId, other.groupId);

        return result;
    }

    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }

        ArtifactRepository other = (ArtifactRepository) obj;

        return eq(getId(), other.getId());
    }