public ImmutableHashSet <FindSymbolResult> FindPropertyOrFieldSymbols(SemanticModel model, ExpressionStatementSyntax exprStatement, CancellationToken token)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (exprStatement == null)
{
throw new ArgumentNullException(nameof(exprStatement));
}
ImmutableHashSet <FindSymbolResult> symbolResults = ImmutableHashSet <FindSymbolResult> .Empty;
ImmutableHashSet <FindSymbolResult> .Builder builder = symbolResults.ToBuilder();
token.ThrowIfCancellationRequested();
EnumerateNodes(ref builder, model, exprStatement.DescendantNodesAndSelf(), token);
return(builder.ToImmutable());
}