export interface ParsedResponse {
readonly messages: string[];
readonly rest: string;
}
/**
* Parse an FTP control response as a collection of messages. A message is a complete
* single- or multiline response. A response can also contain multiple multiline responses
* that will each be represented by a message. A response can also be incomplete
* and be completed on the next incoming data chunk for which case this function also
* describes a `rest`. This function converts all CRLF to LF.
*/
export declare function parseControlResponse(text: string): ParsedResponse;
export declare function isSingleLine(line: string): boolean;
export declare function isMultiline(line: string): boolean;
/**
* Return true if an FTP return code describes a positive completion.
*/
export declare function positiveCompletion(code: number): boolean;
/**
* Return true if an FTP return code describes a positive intermediate response.
*/
export declare function positiveIntermediate(code: number): boolean;