/**
 * RESP2 parser. Binary-safe: bulk strings returned as Buffer.
 * Handles fragmented input and multiple complete commands per chunk.
 * Does not consume buffer until a full value is parsed.
 */
/** A value decoded from the wire. */
export type ParsedValue = string | number | Buffer | null | {
    error: string;
} | ParsedValue[];
/**
 * Try to parse one RESP value from buffer at offset.
 * @returns value and end offset, or null if incomplete
 */
export declare function tryParseValue(buf: Buffer, i: number): {
    value: ParsedValue;
    end: number;
} | null;
export declare class RESPReader {
    buffer: Buffer;
    constructor();
    /**
     * Append data. Call parseCommands() to get complete commands.
     */
    feed(chunk: Buffer): void;
    /**
     * Parse one RESP value from current buffer. Only consumes buffer when a full value is parsed.
     */
    parseOne(): {
        value: ParsedValue;
        done: boolean;
    };
    /**
     * Parse all complete commands from the buffer. Each command is an array of Buffer (args).
     * @returns array of commands
     */
    parseCommands(): Buffer[][];
}