An object that represents an ordered collection of
EcmSimpleException-objects.
Sometimes, as a result of some method's work, we do not get only one exception, but a collection of them.
This objects serves the purpose of returning all of these exceptions to a calling method.
For example, it can happen when we want to run some action against a collection of objects, but we want to treat each action as a separate transaction,
with the intention of "returning" an information about unsuccessful results.
There is no need to inherit this class, therefore it is made final.