/**
 * Parametric ReLU layer
 */
export default class ParametricReLULayer extends Layer {
    /**
     * @param {object} config config
     * @param {number | number[] | string} [config.a] a
     */
    constructor({ a, ...rest }: {
        a?: number | number[] | string;
    });
    _a: number | Tensor<number>;
    _da: number | Tensor<number>;
    _aname: string;
    calc(x: any): any;
    _i: any;
    _o: any;
    grad(bo: any): any;
    _da0: number | Tensor<number>;
    update(optimizer: any): void;
    toObject(): {
        type: string;
        a: string | number | Tensor<number>;
    };
}
import Layer from './base.js';
import Tensor from '../../../util/tensor.js';