Gets or sets an optional argument that expands on exclusion criteria.
Assembly: mscorlib (in mscorlib.dll)
The property is an optional argument that specifies additional exclusion where the literal metadata target is not sufficiently precise. For example, the SuppressMessageAttribute cannot be applied within a method, and it may be desirable to suppress a violation against a statement in the method that will give a rule violation, but not against all statements in the method.
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