List getChangedKnuthElements(List oldList, int alignment);
/**
- * Whether the FO handled by this layout manager had a descendant (including itself)
+ * Whether the FO handled by this layout manager has a descendant (including itself)
* that will generate a line-area.
*
* @return {@code true} if a descendant line-area will be generated, {@code false} otherwise
/**
* Returns the position of the dominant-baseline of this FO's first descendant
- * line-area, if any.
+ * line-area. <p>The behavior of this method is undefined if this FO has no descendant
+ * line-area, and an exception may be thrown. See {@link #hasLineAreaDescendant()}</p>
*
* @return this FO's space-before plus the distance from the before-edge of its
* allocation-rectangle to the dominant-baseline of the first line-area descendant
+ * @see #hasLineAreaDescendant()
*/
int getBaselineOffset();