import * as tf from '../backend/adapter';
/** Both inputs must be broadcast-compatible; reduction is along the last axis. */
export declare function euclidean_distance(a: tf.Tensor, b: tf.Tensor): tf.Tensor;
export declare function manhattan_distance(a: tf.Tensor, b: tf.Tensor): tf.Tensor;
export declare function cosine_distance(a: tf.Tensor, b: tf.Tensor): tf.Tensor;