What are the relevant precedents for appellate review of qualified immunity dispositions?

2 Although appellants did not cite the cases discussed herein before the district court, appellate review of qualified immunity dispositions is to be conducted in light of all relevant precedents, not simply those cited to or discovered by the district court. Elder v. Holloway, 510 U.S. 510, 515-16, 114 S.Ct. 1019, 1023, 127 L.Ed.2d 344 (1994).