How to hide System.Object members from your interfaces
Sometimes, System.Object methods (Equals, GetHashCode, GetType and ToString) only contribute clutter to VS intellisense. Everyone knows those members are always there, yet they are seldom used explicitly. This is especially important (and annoying) for fluent APIs that define the flow of invocations in terms of interfaces and usually have few members at each "step" of the statement.
For example, in the following Moq expectation, at the particular step in the statement, there are only two "real" invocations that make sense. However, they are obscured by the ...