Is something like this possible with this library? https://atheros.ai/blog/input-object-type-as-an-argument-for-graphql-mutations-and-queries I need the ergonomics of `issues_insert_input`, but with the ability to not pass certain fields: https://github.com/graphql-rust/graphql-client/blob/master/examples/hasura/examples/query_1.graphql