Shermanesque Statement

From Wikipedia:

A Sherman(esque) statement or Sherman speech is American political jargon for a clear and direct statement, by a potential candidate, indicating that he or she will not run for a particular elected position.

The term derives from the Sherman pledge, a remark made by American Civil War General William Tecumseh Sherman when he was being considered as a possible Republican candidate for the presidential election of 1884. He declined, saying “If drafted, I will not run; if nominated, I will not accept; if elected, I will not serve.”