import { BunRequest } from 'bun';
export declare class BodyParser {
    private readonly request;
    constructor(request: BunRequest);
    /**
     * Parses FormData and converts it into a plain JavaScript object.
     * Handles multiple values for the same key by creating an array.
     */
    private parseFormData;
    /**
     * - Supports repeated keys and array-like keys (`key[]`).
     * - Decodes '+' to space and percent-encoded sequences.
     * - Returns plain object with either string or string[] values.
     */
    private parseUrlEncoded;
    private processSegment;
    private assignParam;
    private safeDecode;
    private parseContentType;
    private isContentEmpty;
    /**
     * Parses the request body based on its Content-Type header.
     * @returns A promise that resolves to the parsed body data.
     */
    parse(): Promise<Record<string, any>>;
}