Of the following, which is best as an example of $$extension$,$ rather than $$intention$?$

$1$ point

A list from a textbook of diseases caused by diabetes.

A list of laboratory tests from a published clinical practice guideline.

A list of diagnostic codes an agency provides as the computable phenotype for $$heart attack$.$

A list of $$never events,$$ provided by the federal agency concerned with patient safety.