code: public static Float getRequiredFloatParameter(UimaContext context,
        String parameter)
        throws ResourceInitializationException {
  
      Float value = getOptionalFloatParameter(context, parameter);
  
      checkForNull(value, parameter);
  
      return value;
    }
docs: Retrieves a required parameter from the given context.
  
  @param context
  @param parameter
  @return the requested parameter
  
  @throws ResourceInitializationException