* Generates the struct declaration for a fragment. * * @param param0 The fragment name, selectionSet, and source to use to generate the struct

* Appends one or more `SwiftSource`s to the end of a `SwiftSource`. * @param sources The `SwiftSource`s to append to the end.

* Returns the internal parameter name for a given property name. * * If the property name is valid to use, it's returned directly. Otherwise it'

* Escapes the input if it begins with a reserved keyword not valid in member position. * * Most keywords are valid in member position (e.g. afte

* Use `nock` to mock an `IntrospectionQuery` * * @param url string Root of the URL to mock; `/graphql` will automatically be appended * @param sdl

* Reverse mocking of `console.log` and `stdout.write`. If they weren't mocked to begin with, this will do * nothing and return null.

* Mock network requests for a non-federated schema check that produces errors.

* Mock network requests for a non-federated schema check that produces no errors.

* If maybeSource is not undefined or empty, then wrap with start and end, otherwise return * undefined. * * This is largely just a wrapper fo

* Mock and capture `console.log` and `stdout.write`s. Return them in that order as a single string. * * This will emulate what the output of running