docs: @Pure
  	protected static boolean paramBoolean(String paramName, Map<String, String> parameters)
  		throws LawParameterNotFoundException {
  		final String svalue = parameters.get(paramName);
  		if (svalue != null && !"".equals(svalue)) { //$NON-NLS-1$
  			try {
  				return Boolean.parseBoolean(svalue);
  			} catch (AssertionError e) {
  				throw e;
  			} catch (Throwable e) {
  				//
  			}
  		}
  		throw new LawParameterNotFoundException(paramName);
  	}