These changes might not be important.

Sometimes user need(or want) to check the expressions or objects and throw specific exception. These changes would be helpful in such situations.

Comment From: pivotal-cla

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Comment From: pivotal-cla

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Comment From: snicoll

@jthugg thanks for the suggestion but, as stated in the Javadoc, this class for mostly for our own use:

Mainly for internal use within the framework; for a more comprehensive suite of assertion utilities consider org. apache. commons. lang3.Validate from Apache Commons Lang , Google Guava's Preconditions , or similar third-party libraries.

As we don't have the need for those methods, we won't add them.