import * as tf from '@tensorflow/tfjs-core';
/**
 * Pads the smaller dimension of an image tensor with zeros, such that width === height.
 *
 * @param imgTensor The image tensor.
 * @param isCenterImage (optional, default: false) If true, add an equal amount of padding on
 * both sides of the minor dimension oof the image.
 * @returns The padded tensor with width === height.
 */
export declare function padToSquare(imgTensor: tf.Tensor4D, isCenterImage?: boolean): tf.Tensor4D;