@param flags some combination of {@link #GET_WRITABLE}, {@link #GET_IF_LOADDED},
	 *     {@link #GET_EMPTY_PROJECT_DESCRIPTION}, {@link #GET_CREATE_DESCRIPTION},
	 *     and {@link #PROJECT_CREATING}
@param flags some combination of {@link #GET_WRITABLE}, {@link #GET_IF_LOADDED},
	 *     {@link #GET_EMPTY_PROJECT_DESCRIPTION}, {@link #GET_CREATE_DESCRIPTION},
	 *     and {@link #PROJECT_CREATING} | ICProjectDescriptionManager.java