import { PlaygroundRequestOperation, TrpcPlaygroundConfig } from '@trpc-playground/types';
export type HTTPBody = {
    operation: PlaygroundRequestOperation;
};
export declare const handler: (helpers: import("uttp").Helpers, config: TrpcPlaygroundConfig) => Promise<{
    handleRequest(request: import("uttp").HTTPRequest): Promise<{
        status: number;
        body: undefined;
        headers?: undefined;
    } | {
        status: number;
        headers: {
            'Content-Type': string;
        };
        body: string | undefined;
    }>;
    adapterOptions: {
        maxBodySize: number | undefined;
    };
}>;