_examples/selection/schema.graphql (20 lines of code) (raw):

interface Event { selection: [String!] collected: [String!] } type Post implements Event { message: String! sent: Time! selection: [String!] collected: [String!] } type Like implements Event { reaction: String! sent: Time! selection: [String!] collected: [String!] } type Query { events: [Event!] } scalar Time