/** @import {InputType} from "../index.js" */
/** @import {ParametersLTSA} from "./index.js" */
/** @import {EigenArgs} from "../linear_algebra/index.js" */
/**
 * Local Tangent Space Alignment (LTSA)
 *
 * A nonlinear dimensionality reduction algorithm that represents the local
 * geometry of the manifold by tangent spaces and then aligns them to reveal
 * the global structure.
 *
 * @class
 * @template {InputType} T
 * @extends DR<T, ParametersLTSA>
 * @category Dimensionality Reduction
 */
export class LTSA<T extends InputType> extends DR<T, ParametersLTSA> {
  /**
   * @template {InputType} T
   * @param {T} X
   * @param {Partial<ParametersLTSA>} parameters
   * @returns {T}
   */
  static transform<T_1 extends InputType>(X: T_1, parameters: Partial<ParametersLTSA>): T_1;
  /**
   * @template {InputType} T
   * @param {T} X
   * @param {Partial<ParametersLTSA>} parameters
   * @returns {Generator<T, T, void>}
   */
  static generator<T_1 extends InputType>(
    X: T_1,
    parameters: Partial<ParametersLTSA>,
  ): Generator<T_1, T_1, void>;
  /**
   * @template {InputType} T
   * @param {T} X
   * @param {Partial<ParametersLTSA>} parameters
   * @returns {Promise<T>}
   */
  static transform_async<T_1 extends InputType>(
    X: T_1,
    parameters: Partial<ParametersLTSA>,
  ): Promise<T_1>;
  /**
   * Local Tangent Space Alignment
   *
   * @param {T} X - The high-dimensional data.
   * @param {Partial<ParametersLTSA>} parameters - Object containing parameterization of the DR method.
   * @see {@link https://epubs.siam.org/doi/abs/10.1137/S1064827502419154}
   */
  constructor(X: T, parameters: Partial<ParametersLTSA>);
  /**
   * Transforms the inputdata `X` to dimensionality `d`.
   *
   * @returns {Generator<T, T, void>} A generator yielding the intermediate steps of the projection.
   */
  generator(): Generator<T, T, void>;
  /**
   * Transforms the inputdata `X` to dimenionality `d`.
   *
   * @returns {T}
   */
  transform(): T;
}
import type { InputType } from "../index.js";
import type { ParametersLTSA } from "./index.js";
import { DR } from "./DR.js";
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