/** `FormData`: the multipart body the fetch shim serializes. */
export declare const FORM_DATA_POLYFILL = "\n  const FormData = class FormData {\n    constructor() { this._fields = []; }\n    append(key, value) { this._fields.push([String(key), String(value)]); }\n    set(key, value) {\n      const k = String(key), v = String(value);\n      this._fields = this._fields.filter(([fk]) => fk !== k);\n      this._fields.push([k, v]);\n    }\n    get(key) { return (this._fields.find(([k]) => k === String(key)) ?? [undefined, null])[1]; }\n    has(key) { return this._fields.some(([k]) => k === String(key)); }\n    delete(key) { this._fields = this._fields.filter(([k]) => k !== String(key)); }\n    entries() { return this._fields.values(); }\n    [Symbol.iterator]() { return this._fields.values(); }\n  };\n  globalThis.FormData = FormData;\n";
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