title: The type X in Y conflicts with the imported type X in Z
body: <p>I have the following warning on a interface : </p>
  
  <blockquote>
    <p>The type 'DevExpress.Data.Browsing.Design.IColumnImageProvider' in
    c:\Users[MyUser]\Documents\Visual Studio
    2013\Projects\MyProject\MyProject\ReportFiles\CustomReportFieldListIcons.cs
    conflicts with the imported type
    'DevExpress.Data.Browsing.Design.IColumnImageProvider' in 'C:\Program
    Files(x86)\DevExpress\DXperience13.1\Bin\Framework\DevExpress.XtraTreeList.v13.1.dll'
    Using the type defined in 'c:\Users[MyUser]\Documents\Visual Studio
    2012\PRojects\XtraReportTest\XtraReportTest\ReportFiles\CustomReportFieldListIcons.cs'</p>
  </blockquote>
  
  <p>Why? I have checked the references and can´t see that there is anything wrong there?</p>