Microsoft.CodeAnalysis.FindSymbols.IRemoteSymbolFinderService.FindReferencesAsync(Microsoft.CodeAnalysis.Checksum, Microsoft.CodeAnalysis.Remote.RemoteServiceCallbackId, Microsoft.CodeAnalysis.Remote.SerializableSymbolAndProjectId, System.Collections.Immutable.ImmutableArray<Microsoft.CodeAnalysis.DocumentId>, Microsoft.CodeAnalysis.FindSymbols.FindReferencesSearchOptions, System.Threading.CancellationToken)