visit return any instead of mixed. (#1159)
visit return any instead of mixed. (#1159)

Changing this from the (untyped) any to mixed is too severe a breaking change. Changing back to any ensures the visitor functions themselves remain checked but does not cause downstream usage to fail.
jjergus/graphql-js,tgriesser/graphql-js,graphql/graphql-js,jjergus/graphql-js,tgriesser/graphql-js,graphql/graphql-js,graphql/graphql-js,enaqx/graphql-js,enaqx/graphql-js,enaqx/graphql-js