/// <reference types="node" />
export declare class PopDataBuffer {
    protected buffer: string;
    /**
     * Constructs a new segmented reader.
     */
    constructor();
    /**
     * Gets the length of the buffer.
     * @returns the length of the buffer.
     */
    get length(): number;
    /**
     * Writes an chunk to the segmented reader.
     * @param chunk the chunk.
     */
    write(chunk: Buffer): void;
    /**
     * Reads the given size from the buffer.
     * @param size the size to read.
     * @returns the data.
     */
    read(size: number): string;
    /**
     * Gets an segment from the segmented reader.
     * @param separator the separator.
     * @param add gets added to the index of the segment subtraction, allows some chars to be preserved of the separator.
     * @returns the segment.
     */
    segment(separator?: string, add?: number): string | null;
}