import { ByteVector } from "../byteVector";
/**
 * Provides methods to read descriptor tags
 * @internal
 */
export declare class DescriptorTagReader {
    private _data;
    private _length;
    private _offset;
    /**
     * Constructs and initializes a new descriptor tag reader with the data from which to read the
     * descriptor tag.
     * @param data Data from which the descriptor tag should be read
     */
    constructor(data: ByteVector);
    /**
     * Gets the length of the descriptor tag.
     */
    get length(): number;
    /**
     * Gets the offset of the descriptor tag.
     */
    get offset(): number;
    /**
     * Reads a section length and updates the offset to the end of the length block.
     * @returns number Length that was read.
     */
    readLength(): number;
    /**
     * Increases the current offset by a given value
     * @param value A number by which the offset should be increased
     * @returns number Offset before increase
     */
    increaseOffset(value: number): number;
}