Whether Rooker-Feldman bar prevents federal district court or US court of appeals jurisdiction to hear, rule, and/or remand in a complaint case, concerning a year 2018 dismissed bankruptcy case?

Whether Rooker-Feldman bar prevents federal district court or US court of appeals jurisdiction to hear, rule, and/or remand in a complaint case if may conflict with a state court ruling, when favored party in state case, did not have standing?

Whether federal district court or US court of appeals has jurisdiction to hear, rule, and/or remand in a complaint case, if may conflict with a state court ruling, when unfavored party 42 USC § 1983 rights, and 14th amendment rights may have been violated, and no opportunity to defend by a party, in state case is evident?

Whether federal district court or US court of appeals has jurisdiction to hear, rule, and/or remand in a complaint case, if may conflict with a state court ruling, when fraud and unclean hands of favored party in state case is evident?

Whether Rooker-Feldman bar prevents federal district court or US court of appeals jurisdiction to hear, rule, and/or remand in a complaint case, concerning a year 2018 dismissed bankruptcy case?