export default class FlattenTransform extends Transform {
    /**
     * @param {import("../../spec/transform.js").FlattenParams} params
     */
    constructor(params: import("../../spec/transform.js").FlattenParams);
    params: import("../../spec/transform.js").FlattenParams;
    /** @param {any[]} datum */
    handle: (datum: any[]) => void;
}
import Transform from "./transform.js";
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