import { Api } from "../schema";
import { WrappedQuery } from "./WrappedQuery";
import { QueryError } from "./QueryError";
import ApiEmitter from "./ApiEmitter";
import { FetchOptions } from "./FetchOptions";
export declare const _defaultBatchKey = "__DEFAULT_BATCH_KEY__";
export declare const getBatchKey: ({ batchKey, options, }?: {
    batchKey?: string | undefined;
    options?: QueryHandler["options"];
}) => string;
type ResponseResolver = (response: Api) => void;
type ResponseRejector = (error: QueryError) => void;
type QueryHandler = {
    query: WrappedQuery;
    resolve: ResponseResolver;
    reject: ResponseRejector;
    options?: Pick<FetchOptions, "headers">;
};
interface QueryResolverOptions {
    apiHost?: string;
    apiKey?: string;
    apiPath?: string;
    headers?: FetchOptions["headers"];
}
declare class QueryResolver {
    apiEmitter: ApiEmitter;
    resolverQueues: Record<string, QueryHandler[]>;
    readonly apiHost: string;
    readonly apiKey?: string;
    readonly apiPath?: string;
    readonly headers: FetchOptions["headers"];
    constructor(options?: QueryResolverOptions);
    addQueryToQueue(query: WrappedQuery, options?: {
        batchKey?: string;
        headers?: FetchOptions["headers"];
    }): Promise<Api>;
    performQueryRequest(): Promise<void>;
}
export declare const _getDefaultQueryResolver: () => QueryResolver;
export declare const _setDefaultQueryResolver: (queryResolver: QueryResolver) => void;
export default QueryResolver;
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