code: def escapePlaceholders(self,inputString):
          
          escaped = inputString.replace(MapConstants.placeholder,'\\'+MapConstants.placeholder)
          escaped = escaped.replace(MapConstants.placeholderFileName,'\\'+MapConstants.placeholderFileName)
          escaped = escaped.replace(MapConstants.placeholderPath,'\\'+MapConstants.placeholderPath)
          escaped = escaped.replace(MapConstants.placeholderExtension,'\\'+MapConstants.placeholderExtension)
          escaped = escaped.replace(MapConstants.placeholderCounter,'\\'+MapConstants.placeholderCounter)
          return escaped
docs: This is an internal method that escapes all the placeholders
          defined in MapConstants.py.