Rory Hunter da4654527b
Improve resiliency to auto-formatting in client (#48617)
Backport of #48447. Make a number of changes so that code in the
`client` directory is more resilient to automatic formatting. This
covers:

* Literal JSON handling:
   * Reformatting multiline JSON to embed whitespace in the strings
   * Remove string concatenation where JSON fits on a single line
   * Use `String.format` for large documents with variable content
* Remove some erroneous doc refs in `QueryDSLDocumentationTests`
* Move some comments around to they aren't auto-formatted to a strange
  place
2019-10-29 10:40:54 +00:00
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