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import type { GraphQLSchema, GraphQLArgs } from './deps.ts'import type { RenderPageOptions } from './graphiql/render.ts'
/** * gql options */export interface GQLOptions<Context = any, Req extends GQLRequest = GQLRequest> extends Omit<GraphQLArgs, 'source'> {  schema: GraphQLSchema  context?: (val: Req) => Context | Promise<Context>  /**   * GraphQL playground   */  graphiql?: boolean  /**   * Custom headers for responses   */  headers?: HeadersInit  /**   * Custom options for GraphQL Playground   */  playgroundOptions?: Omit<RenderPageOptions, 'endpoint'>}
interface Params {  variables?: Record<string, unknown>  operationName?: string}
interface QueryParams extends Params {  query: string  mutation?: never}
interface MutationParams extends Params {  mutation: string  query?: never}
export type GraphQLParams = QueryParams | MutationParams
export type GQLRequest = {  url: string  method: string  headers: Headers  json: () => Promise<GraphQLParams>}