49SG::ReadHandleKeyArray<xAOD::TrackParticleContainer>m_keys {this,"TrackParticleCollections", {"InDetTrackParticles","InDetLargeD0TrackParticles","CombinedMuonTrackParticles","GSFTrackParticles"}, "Name of the Track Particle containers that will be written out to the JiveXML file"};