import React from "react";
import type { SiteMetadata } from "../types";
export interface State {
    siteMetadata: Partial<SiteMetadata>;
}
export declare enum ActionType {
    SET = "SET"
}
type Action = {
    type: ActionType.SET;
    siteMetadata?: State["siteMetadata"];
};
export declare const DEFAULT_STATE: State;
export declare const reducer: (state: State, action: Action) => State;
export declare const LayoutContext: React.Context<{
    state: State;
    dispatch: React.Dispatch<Action>;
}>;
export declare const LayoutProvider: React.FC<{
    siteMetadata: State["siteMetadata"];
}>;
export {};