code: public StandardField getStandardFieldEntry(StandardFieldEntryKey key) {
  		if (!standardFields.containsKey(key)) {
  			throw new IllegalArgumentException("standard field " + key
  					+ " does not exist!");
  		}
  		return standardFields.get(key);
  	}
docs: Returns the standard field entry for the given key.
  
  @param key the key of the standard field
  @return the standard field entry for the given key
  @throws IllegalArgumentException if key is base of data for a PE32+