import { VNodeData } from "snabbdom/vnode";
import { Component } from "../purview";
export declare type PNode = PNodeRegular | PNodeText;
export interface PNodeRegular {
    sel: string;
    data: VNodeData;
    children: PNode[];
    component?: Component<any, any>;
}
export interface PNodeText {
    text: string;
}
export interface InputEvent<T = unknown> {
    name: string;
    value: T;
}
export interface ChangeEvent<T = unknown> extends InputEvent<T> {
}
export interface SubmitEvent {
    fields: Record<string, unknown>;
}
export interface KeyEvent {
    name: string;
    key: string;
}
export declare type PurviewEvent = InputEvent<any> | ChangeEvent<any> | SubmitEvent | KeyEvent;
export declare type EventCallback = (event?: PurviewEvent) => void | Promise<void>;
export interface ConnectMessage {
    type: "connect";
    rootIDs: string[];
    cssStateID?: string;
}
export interface EventMessage {
    type: "event";
    rootID: string;
    componentID: string;
    eventID: string;
    event?: PurviewEvent;
}
export interface SeenEventNamesMessage {
    type: "seenEventNames";
    seenEventNames: string[];
}
export interface NextRuleIndexMessage {
    type: "nextRuleIndex";
    nextRuleIndex: number;
}
export declare type ClientMessage = ConnectMessage | EventMessage | SeenEventNamesMessage | NextRuleIndexMessage;
export interface UpdateMessage {
    type: "update";
    componentID: string;
    pNode: PNodeRegular;
    newEventNames: string[];
    cssUpdates?: {
        newCSSRules: string[];
        nextRuleIndex: number;
    };
}
export declare type ServerMessage = UpdateMessage;