messageComponentLayout Region in Oracle OAF

MessageComponentLayout is a very common region style used which contains all
the items starting with message.
For example messageTextInput, messageStyledText etc.

This region can have only message style of items.
Non-message items has to be placed inside messageLayout under the messageComponentLayout Region.
The items can be displayed in multiple columns and rows.

The java bean associated with this region is OAMessageComponentLayoutBean.