Whether a bankruptcy court can act as a gatekeeper to screen noncolorable lawsuits against nondebtor bankruptcy participants and whether a bankruptcy court can to a limited degree exculpate nondebtor bankruptcy participants from liability for conduct arising from the bankruptcy process

are: 1. Whether a bankruptcy court can act as a gatekeeper to screen noncolorable lawsuits against nondebtor bankruptcy participants. 2. Whether a bankruptcy court can to a limited degree exculpate nondebtor bankruptcy participants from liability for conduct arising from the bankruptcy process. ii PARTIES TO THE PROCE EDING Petitioner is Highland Capital Management, L.P., the reorganized chapter 11 debtor in the bankruptcy proceedings below and the appellee in the court of appeals. Respondents are NexPoint Advisor s, L.P. , and NexPoint Asset Management, L.P. These respondents were the appellants in the court of appeals.