public boolean equals(@Nullable String groupId, @Nullable String artifactId) {
    if (this.artifactId != null ? !this.artifactId.equals(artifactId) : artifactId != null) return false;
    if (this.groupId != null ? !this.groupId.equals(groupId) : groupId != null) return false;
    return true;
  }
public boolean equals(@Nullable String groupId, @Nullable String artifactId)