explicit nsXPIDLString( const abstract_string_type& aReadable ) : nsSharableString(aReadable)
nsXPIDLString( const self_type& aString ) : nsSharableString(aString.mBuffer.get())
      explicit nsXPIDLString( const abstract_string_type& aReadable )          : nsSharableString(aReadable)        {#if DEBUG_STRING_STATS          ++sCreatedCount;          if ( ++sAliveCount > sHighWaterCount )            sHighWaterCount = sAliveCount;#endif        }