import type { MultipartPart } from './build-multipart.js';
/** Serialize nested multipart bodies for both fetch and synchronous code snippets. */
export declare const serializeMultipartBody: (parts: MultipartPart[], contentType?: string, replace?: (value: string) => string, nesting?: number) => {
    chunks: BlobPart[];
    contentType: string;
};
/** Encode multipart parts without losing binary bytes or assigning filenames to typed text. */
export declare const encodeMultipartBody: (parts: MultipartPart[], contentType?: string, replace?: (value: string) => string) => Blob;
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