/**
* Gets the field type at the specified index.
*
* @param index the index to retrieve
* @return the field at the specified index
* @throws IndexOutOfBoundsException if the index is invalid
*/
public DurationFieldType getFieldType(int index) {
return iType.getFieldType(index);
}
/**
* Gets the number of fields that this period supports.
*
* @return the number of fields supported
*/
public int size() {
return iType.size();
}