ProvidersLSIF providerGraphQL APISearch providerReferences(textDocument, position)LSIF.References(position)referencesreferencesloopReferences(textDocument, position)Regexp Search "repo:^repo$@commit"local referencesRegexp Search "-repo:^repo$" index:trueremote referencesparlocal references + remote referencesProvidersLSIF providerGraphQL APISearch provider