/**
 * Computational graph for Neuralnetwork structure
 */
export default class ComputationalGraph {
    /**
     * Returns Graph.
     * @param {LayerObject[]} nodes Array of object represented a graph
     * @returns {ComputationalGraph} Graph
     */
    static fromObject(nodes: LayerObject[]): ComputationalGraph;
    /**
     * Load onnx model.
     * @param {Uint8Array | ArrayBuffer | File} buffer File
     * @returns {Promise<ComputationalGraph>} Loaded graph
     */
    static fromONNX(buffer: Uint8Array | ArrayBuffer | File): Promise<ComputationalGraph>;
    _nodes: any[];
    _order: any[];
    /**
     * Graph nodes
     * @type {Node[]}
     */
    get nodes(): Node[];
    /**
     * Input nodes
     * @type {Node[]}
     */
    get inputNodes(): Node[];
    /**
     * Output nodes
     * @type {Node[]}
     */
    get outputNodes(): Node[];
    /**
     * Number of nodes
     * @type {number}
     */
    get size(): number;
    /**
     * Returns object representation.
     * @returns {LayerObject[]} Object represented this graph
     */
    toObject(): LayerObject[];
    /**
     * Returns a string of DOT format.
     * @returns {string} String of DOT format
     */
    toDot(): string;
    /**
     * Returns onnx model
     * @returns {Uint8Array} onnx model byte array
     */
    toONNX(): Uint8Array;
    /**
     * Add a layer.
     * @param {Layer | PlainLayerObject} layer Added layer
     * @param {string} [name] Node name
     * @param {(string | number)[] | string | number} [inputs] Input node names or const value for the added layer
     */
    add(layer: Layer | PlainLayerObject, name?: string, inputs?: (string | number)[] | string | number): void;
    /**
     * Bind values to layers
     * @param {object} values Binding values
     */
    bind(values: object): void;
    _calcOrder(): void;
    /**
     * Returns calculated values.
     * @param {(string | number)[]} [require] Name or index of nodes at least calculated
     */
    calc(require?: (string | number)[]): void;
    /**
     * Returns gradient values.
     * @param {Matrix} [e] Input of gradient
     * @returns {Matrix} Output of gradient
     */
    grad(e?: Matrix): Matrix;
    /**
     * Returns a specific name node.
     * @param {string} name Node name
     * @returns {Node=} Node
     */
    getNode(name: string): Node | undefined;
}
export type PlainLayerObject = import("./layer/index").PlainLayerObject;
export type LayerObject = PlainLayerObject & {
    input?: string | number | (string | number)[];
    name?: string;
};
/**
 * @ignore
 * @typedef {import("./layer/index").PlainLayerObject} PlainLayerObject
 */
/**
 * @typedef {PlainLayerObject & {input?: string | number | (string | number)[], name?: string}} LayerObject
 */
declare class Node {
    /**
     * @param {string} name Name of this node
     * @param {PlainLayerObject} layer Layer
     * @param {(string | number)[]} input Input node names
     * @param {{index: number, subscript: number | null}[]} parent Parent node informations
     * @param {ComputationalGraph} graph graph
     */
    constructor(name: string, layer: PlainLayerObject, input: (string | number)[], parent: {
        index: number;
        subscript: number | null;
    }[], graph: ComputationalGraph);
    name: string;
    layer: import("./layer/index.js").PlainLayerObject;
    input: (string | number)[];
    _graph: ComputationalGraph;
    _parent: {
        index: number;
        subscript: number | null;
    }[];
    get parents(): {
        index: number;
        subscript: number | null;
    }[];
    /**
     * @param {Matrix | Matrix[]} value Output value of this node to next layer
     */
    set outputValue(value: Matrix | Matrix[]);
    /**
     * Output value of this node to next layer
     * @type {Matrix | Matrix[]}
     */
    get outputValue(): Matrix | Matrix[];
    _outputValue: Matrix<number> | Matrix<number>[];
    /**
     * @param {Matrix[]} value Gradient value of this node from next layer
     */
    set gradientValue(value: Matrix[]);
    /**
     * Gradient value of this node from next layer
     * @type {Matrix[]}
     */
    get gradientValue(): Matrix[];
    _gradientValue: Matrix<number>[];
    /**
     * Returns object representation.
     * @returns {LayerObject} Object represented this node
     */
    toObject(): LayerObject;
}
import Layer from './layer/base.js';
import Matrix from '../../util/matrix.js';
export {};