method GraphQLSchema.prototype.isSubTypeimport { GraphQLSchema } from "https://deno.land/x/gql@1.2.2/deps.ts"; isSubType(abstractType: GraphQLAbstractType, maybeSubType: GraphQLObjectType | GraphQLInterfaceType): booleanParametersabstractType: GraphQLAbstractTypemaybeSubType: GraphQLObjectType | GraphQLInterfaceTypeReturnsboolean