import { type GraphQLSchema } from 'graphql';
export type LoadGraphqlOptions = {
    authHeaders?: Array<[string, string]>;
    cacheDir?: string;
    cacheKey?: string;
    ttlSeconds?: number;
    refresh?: boolean;
    schemaSource?: string;
    onWarning?: (message: string) => void;
};
export declare function loadGraphqlSchema(endpoint: string, options?: LoadGraphqlOptions): Promise<GraphQLSchema>;