Provided a collection of ASTs, presumably each from different files, concatenate the ASTs
together into batched AST, useful for validating many GraphQL source files which together
represent one conceptual application.
Provided a collection of ASTs, presumably each from different files, concatenate the ASTs
together into batched AST, useful for validating many GraphQL source files which together
represent one conceptual application.
The result Document will retain correlation to the original sourceMappers.