docs: diagrams for callback, circuit breaker, client session, collecting parameter, colletion pipeline, combinator, command, commander, component, composite entity, composite view, composite, context object, converter, crtp, currying

collecting-parameter/README.md

@@ -36,6 +36,10 @@ Wikipedia says
 
 > In the Collecting Parameter idiom a collection (list, map, etc.) is passed repeatedly as a parameter to a method which adds items to the collection.
 
+Flowchart
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+![Collecting Parameter flowchart](./etc/collecting-parameter-flowchart.png)
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 ## Programmatic Example of Collecting Parameter Pattern in Java
 
 Within a large corporate building, there exists a global printer queue that is a collection of all the printing jobs that are currently pending. Various floors contain different models of printers, each having a different printing policy. We must construct a program that can continually add appropriate printing jobs to a collection, which is called the collecting parameter.