import { LoneSchemaDefinitionRule } from "https://dotland.deno.dev/x/graphql_deno@v15.0.0/lib/validation/rules/LoneSchemaDefinitionRule.js";
Lone Schema definition
A GraphQL document is only valid if it contains only one schema definition.
x/graphql_deno/lib/validation/rules/LoneSchemaDefinitionRule.js>LoneSchemaDefinitionRule
import { LoneSchemaDefinitionRule } from "https://dotland.deno.dev/x/graphql_deno@v15.0.0/lib/validation/rules/LoneSchemaDefinitionRule.js";
Lone Schema definition
A GraphQL document is only valid if it contains only one schema definition.