import { ActivationFn } from "../methods/activation";
import { Connection } from "./connection";
export declare const allNodeTypes: readonly ["input", "hidden", "output"];
export type NodeType = typeof allNodeTypes[number];
export interface Node {
    bias: number;
    squash: ActivationFn;
    type: NodeType;
    activation: number;
    state: number;
    old: number;
    activate: (input: number | undefined) => number;
    propagate: (rate: number, momentum: number, update: boolean, target: number) => number;
    connect: (node: Node, weight: number) => Connection[];
    disconnect: (node: Node, twosided: boolean) => void;
    gate: (connections: Connection[]) => void;
    ungate: (connections: Connection[]) => void;
    isProjectingTo: (node: Node) => boolean;
    isProjectedBy: (node: Node) => boolean;
    toJSON: () => object;
    clear: () => void;
}
export type NodeVal = {
    bias?: number;
    squash?: ActivationFn;
    type?: NodeType;
    activation?: number;
    state?: number;
    old?: number;
};
export declare function create(type?: NodeType): Node;
export declare const classConstructor: (type: NodeType) => void;