import type { Plugin } from 'rollup';
import { type OutputFormat } from '../schema/convert.js';
import { type Method } from '../schema/query.js';
export type { Method };
export type PluginOptions = {
    /**
     * The URL the of the GraphQL API from which to fetch the GraphQL Schema using the introspection query.
     */
    url: string;
    /**
     * The Introspection Query the use. Some GraphQL APIs do not respect the standard schema fir GraphQL introspection query used by GraphQL.js
     *
     * This overrides the query generated by GraphQL with a custom one.
     */
    query?: string;
    /**
     * Wether the output format should be a GraphQL SDL file or an introspection JSON file.
     *
     * Defaults to introspection JSON.
     */
    format?: OutputFormat;
    /**
     * The HTTP method used to call the GraphQL API.
     *
     * @default 'POST'
     */
    method?: Method;
    /**
     * A record of headers to pass inside the GraphQL Request performed to the server. Mostly useful when Authorization is required.
     *
     * @default {"Content-Type": "application/json"}
     */
    headers?: Record<string, string>;
    /**
     * Indicates the target path for the JSON Schema resulting from the Query.
     *
     * @default src/_schema.json
     */
    target?: string;
};
export declare function fetchSchema(options: PluginOptions): Promise<void>;
export default function fetchGraphQLSchema(options: PluginOptions): Plugin;