private static void log(String format, Object... args) {
        System.out.println(String.format(format, args));
    }
Prune operations that have had either their entire input or output shape pruned.
<p>
Also prune any operation-level errors that have had their corresponding shape pruned.
aws-java-sdk-code-generator/src/main/java/com/amazonaws/codegen/customization/processors/PruneUnsupportedShapesProcessor.java