import type { BuildMultipartResult, ExpandMultipartRawResult, IBody } from './IBody.js';
/**
 * Encodes request bodies for multipart, urlencoded, and preview display.
 */
export declare class Body implements IBody {
    /**
     * Builds a human-readable summary of multipart form parts for request preview.
     *
     * @param body - Serialized multipart form parts JSON.
     * @returns Summary string for SentRequest.body.
     */
    summarizeFormParts(body: string): string;
    /**
     * Builds a FormData body from serialized multipart form parts.
     *
     * @param body - Serialized multipart form parts JSON.
     * @returns FormData ready for fetch, or an error message when a file cannot be read.
     */
    buildMultipart(body: string): Promise<BuildMultipartResult>;
    /**
     * Expands a verbatim multipart raw body, replacing `<<file:/path>>` tokens with file bytes.
     *
     * Malformed multipart structure is preserved as typed so intentionally invalid bodies
     * can be sent for testing. Only unreadable files produce an error.
     *
     * @param raw - Verbatim multipart body text from the Raw editor.
     * @returns Wire bytes plus Content-Type, or an error when a file cannot be read.
     */
    expandMultipartRaw(raw: string): Promise<ExpandMultipartRawResult>;
    /**
     * Builds an application/x-www-form-urlencoded body from serialized key-value rows.
     *
     * @param body - JSON array stored in the request body field.
     * @returns URL-encoded query string for the request body.
     */
    buildUrlEncoded(body: string): string;
}
//# sourceMappingURL=Body.d.ts.map