/**
 * GRU layer
 */
export default class GRULayer extends Layer {
    /**
     * @param {object} config object
     * @param {number} config.size Size of output
     * @param {boolean} [config.return_sequences] Return sequences or not
     * @param {number[][] | Matrix | string} [config.w_z] Weight of z from input to sequence
     * @param {number[][] | Matrix | string} [config.w_r] Weight of r from input to sequence
     * @param {number[][] | Matrix | string} [config.w_h] Weight of h from input to sequence
     * @param {number[][] | Matrix | string} [config.u_z] Weight of z from sequence to sequence
     * @param {number[][] | Matrix | string} [config.u_r] Weight of r from sequence to sequence
     * @param {number[][] | Matrix | string} [config.u_h] Weight of h from sequence to sequence
     * @param {number[][] | Matrix | string} [config.b_z] Bias of z of output
     * @param {number[][] | Matrix | string} [config.b_r] Bias of r of output
     * @param {number[][] | Matrix | string} [config.b_h] Bias of h of output
     * @param {number} [config.sequence_dim] Dimension of the timesteps
     */
    constructor({ size, return_sequences, w_z, w_r, w_h, u_z, u_r, u_h, b_z, b_r, b_h, sequence_dim, ...rest }: {
        size: number;
        return_sequences?: boolean;
        w_z?: number[][] | Matrix | string;
        w_r?: number[][] | Matrix | string;
        w_h?: number[][] | Matrix | string;
        u_z?: number[][] | Matrix | string;
        u_r?: number[][] | Matrix | string;
        u_h?: number[][] | Matrix | string;
        b_z?: number[][] | Matrix | string;
        b_r?: number[][] | Matrix | string;
        b_h?: number[][] | Matrix | string;
        sequence_dim?: number;
    });
    _size: number;
    _unit: GRUUnitLayer;
    _return_sequences: boolean;
    _sequence_dim: 0 | 1;
    calc(x: any): any;
    _x: any[];
    grad(bo: any): any[] | Tensor<any>;
    _grad_bptt(bo: any): any[] | Tensor<any>;
    _bo: any[];
    update(optimizer: any): void;
    toObject(): {
        w_z: string | any[][];
        w_r: string | any[][];
        w_h: string | any[][];
        u_z: string | any[][];
        u_r: string | any[][];
        u_h: string | any[][];
        b_z: string | any[][];
        b_r: string | any[][];
        b_h: string | any[][];
        type: string;
        size: number;
        return_sequences: boolean;
        sequence_dim: number;
    };
}
import Layer from './base.js';
declare class GRUUnitLayer extends Layer {
    constructor({ layer, size, w_z, w_r, w_h, u_z, u_r, u_h, b_z, b_r, b_h, ...rest }: {
        [x: string]: any;
        layer: any;
        size: any;
        w_z?: any;
        w_r?: any;
        w_h?: any;
        u_z?: any;
        u_r?: any;
        u_h?: any;
        b_z?: any;
        b_r?: any;
        b_h?: any;
    });
    _size: any;
    _w_z: Variable;
    _w_r: Variable;
    _w_h: Variable;
    _u_z: Variable;
    _u_r: Variable;
    _u_h: Variable;
    _b_z: Variable;
    _b_r: Variable;
    _b_h: Variable;
    _s0: Matrix<number>;
    _x: any[];
    _h: any[];
    _s: any[];
    _z: any[];
    _r: any[];
    _bo: any[];
    _dy: any[];
    _dr: any[];
    _dz: any[];
    _dh: any[];
    _sigmoid(x: any): Matrix<number>;
    _grad_sigmoid(y: any): Matrix<number>;
    _tanh(x: any): Matrix<number>;
    _grad_tanh(y: any): Matrix<number>;
    calc(x: any, k: any): any;
    grad(bo: any, t: any): any;
    _grad_bptt(bo: any, t: any): any;
    _diff_bptt(): void;
    _dw_r: Matrix<number>;
    _dw_z: Matrix<number>;
    _dw_h: Matrix<number>;
    _db_r: Matrix<number>;
    _db_z: Matrix<number>;
    _db_h: Matrix<number>;
    _du_r: Matrix<number>;
    _du_z: Matrix<number>;
    _du_h: Matrix<number>;
    update(optimizer: any): void;
    _update_bptt(optimizer: any): void;
    toObject(): {
        w_z: string | any[][];
        w_r: string | any[][];
        w_h: string | any[][];
        u_z: string | any[][];
        u_r: string | any[][];
        u_h: string | any[][];
        b_z: string | any[][];
        b_r: string | any[][];
        b_h: string | any[][];
    };
}
import Tensor from '../../../util/tensor.js';
import Matrix from '../../../util/matrix.js';
declare class Variable {
    constructor(layer: any, value: any, sizes: any);
    _layer: any;
    _sizes: any;
    _name: string;
    _value: Matrix<any>;
    get name(): string;
    get value(): Matrix<any>;
    get sizes(): number[];
    get(...sizes: any[]): Matrix<any>;
    toObject(): string | any[][];
}
export {};