import { UrlLoader, LoadFromUrlOptions } from '@graphql-tools/url-loader';
/**
 * additional options for loading from a `prisma.yml` file
 */
export interface PrismaLoaderOptions extends LoadFromUrlOptions {
    envVars?: {
        [key: string]: string;
    };
    graceful?: boolean;
    cwd?: string;
}
/**
 * This loader loads a schema from a `prisma.yml` file
 */
export declare class PrismaLoader extends UrlLoader {
    canLoadSync(): boolean;
    canLoad(prismaConfigFilePath: string, options: PrismaLoaderOptions): Promise<boolean>;
    load(prismaConfigFilePath: string, options: PrismaLoaderOptions): Promise<import("@graphql-tools/utils").Source[]>;
}