Compiler Error CS0275
'accessor': accessibility modifiers may not be used on accessors in an interface
This error occurs when you use an access modifier on any one of the accessors of a property or indexer in an interface. To resolve, remove the access modifier.
Example
The following example generates CS0275:
// CS0275.cs
public interface MyInterface
{
int Property
{
get;
internal set; // CS0275
}
}