private string CalculateLineHash(MessagePart cFamilyIssueLocation, IDictionary <string, string> fileContents)
{
var isFileLevelLocation = cFamilyIssueLocation.Line == 1 &&
cFamilyIssueLocation.Column <= 1 &&
cFamilyIssueLocation.EndColumn == 0 &&
cFamilyIssueLocation.EndLine == 0;
return(isFileLevelLocation
? null
: lineHashCalculator.Calculate(fileContents[cFamilyIssueLocation.Filename], cFamilyIssueLocation.Line));
}
