import { AxiosError, AxiosPromise } from 'axios';
import { RequestError, ResponseError } from './error';
type SdErrorObject = {
    error: string;
    desc: string;
    message: string;
};
export declare function sleep(ms: number): Promise<void>;
export declare function extractFileInfo(headers: Record<string, any> | undefined): {
    size: number | undefined;
    filename: string | undefined;
};
export declare function contentDispositionFromFilename(filename: string): string;
export declare function filenameFromContentDisposition(contentDisposition: string): string | undefined;
export declare function exists(apiCall: () => AxiosPromise<unknown>): Promise<boolean>;
export declare function tryExtractErrorObject(data: unknown): Promise<SdErrorObject | undefined>;
export declare function processError(error: AxiosError | Error): Promise<Error | RequestError | ResponseError>;
export {};
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