21. The computer-readable medium set forth in claim 20 , wherein characterizing the data further comprises inferring a data structure from the returned data sample and is based on an additional input specifying a subset of the data structure; and wherein the output comprises a plurality of suggested type characterizations corresponding to the data parameters of the subset.
20. The computer-readable medium set forth in claim 18 , wherein the source code element comprises an object having a nested data structure, the nested data structure corresponding to the data structure definition.