import type { FixtureList, FixtureState, FixtureStateChange, MessageType, RendererId } from 'react-cosmos-core';
export type GetFixtureState = <T>(name: string) => T | undefined;
export type SetFixtureStateByName = <T>(name: string, change: FixtureStateChange<T>) => void;
export type RendererCoreSpec = {
    name: 'rendererCore';
    config: {
        fixtures: FixtureList;
        rendererUrl: null | string;
    };
    state: {
        connectedRendererIds: RendererId[];
        primaryRendererId: null | RendererId;
        fixtures: FixtureList;
        fixtureState: FixtureState;
        globalFixtureState: FixtureState;
    };
    methods: {
        getRendererUrl(): null | string;
        getConnectedRendererIds(): RendererId[];
        getPrimaryRendererId(): null | RendererId;
        getFixtures(): FixtureList;
        isRendererConnected(): boolean;
        reloadRenderer(): void;
        selectPrimaryRenderer(primaryRendererId: RendererId): void;
        receiveResponse(msg: MessageType): void;
        getAllFixtureState(): FixtureState;
        getFixtureState: GetFixtureState;
        setFixtureState: SetFixtureStateByName;
        setGlobalFixtureState<T>(name: string, state: T): void;
    };
    events: {
        request(msg: MessageType): void;
        response(msg: MessageType): void;
    };
};