/**
 * Converts an array of objects into a columnar structure, returning an object with two attributes:
 *
 * - columns, which contains an array of column names
 * - data, which is an object with column names as keys and arrays as values.
 *
 * @param {Array<Object>} input
 * @returns {import('./types').Dataframe}
 */
export function fromArray(input: Array<Object>): import("./types").Dataframe;