import { SmartContractLib } from '../smartContractLib.js';
import { ByteString } from '../types/primitives.js';
/**
 * A reader to parse a ByteString buffer
 * @category Standard Contracts
 */
export declare class ByteStringReader extends SmartContractLib {
    buf: ByteString;
    pos: bigint;
    constructor(buf: ByteString);
    /**
     * Check if all have been read
     * @returns true if all have been read
     */
    eof(): boolean;
    /**
     * read bytes which encoded with bitcoin [value-pushing words]{@link https://wiki.bitcoinsv.io/index.php/Opcodes_used_in_Bitcoin_Script}
     * @returns true if all have been read
     */
    readBytes(): ByteString;
    /**
     * read a byte as boolean
     * @returns true if the read byte not equal to '00'
     */
    readBool(): boolean;
    /**
     * read bytes as `readBytes` and convert it to a number with `byteString2Int`
     * @returns a number
     */
    readVarint(): bigint;
}
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