import { Readable, Duplex } from 'stream';
import { AxiosRequestConfig } from 'axios';
export declare const TTL_HEADER = "x-eio-ttl";
export declare const CONTENT_TYPE_HEADER = "content-type";
export interface StreamBasedRequestConfig {
    getFreshStream?: () => Promise<Readable>;
    axiosReqConfig: AxiosRequestConfig;
}
export interface reqWithBodyHeaders {
    [TTL_HEADER]?: number;
    [CONTENT_TYPE_HEADER]?: string;
    [index: `x-query-${string}`]: string | number;
    [index: `x-meta-${string}`]: string | number;
}
export interface reqHeaders {
    responseType?: ResponseType;
}
export interface ReqOptions extends reqHeaders {
    jwtPayloadOrToken?: JWTPayload | string;
    retryOptions?: RetryOptions;
}
export interface ReqWithBodyOptions {
    jwtPayloadOrToken?: JWTPayload | string;
    retryOptions?: RetryOptions;
    headers?: reqWithBodyHeaders;
}
export interface RetryOptions {
    retriesCount?: number;
    requestTimeout?: number;
}
export interface JWTPayload {
    tenantId?: string;
    contractId?: string;
    workspaceId?: string;
    flowId?: string;
    userId?: string;
}
export type searchObjectCriteria = string | object;
export type uploadData = string | object | number | Array<any>;
export type TransformMiddleware = () => Duplex;
export type ResponseType = 'stream' | 'json' | 'arraybuffer';
export declare const DEFAULT_RESPONSE_TYPE: ResponseType;
export declare const RETRIES_COUNT: {
    readonly minValue: 0;
    readonly defaultValue: 2;
    readonly maxValue: 4;
};
export declare const REQUEST_TIMEOUT: {
    readonly minValue: 500;
    readonly defaultValue: 10000;
    readonly maxValue: 20000;
};