export declare const CORE_HOST_BOOTSTRAP_GLOBAL_KEY: "__getuserfeedback_core_host_bootstrap";
export declare const CORE_HOST_BOOTSTRAP_PROTOCOL_VERSION: "v2";
export declare const CORE_HOST_BOOTSTRAP_READY_EVENT_NAME: "getuserfeedback:core-host-bootstrap:ready";
export declare const CORE_HOST_BOOTSTRAP_REQUIRED_FRAGMENT: "getuserfeedback-core-host-bootstrap=v2";
export type CoreHostBootstrapMessageListener = (message: unknown) => void;
export type CoreHostBootstrapTransport = {
    postMessage: (message: unknown) => void;
    subscribe: (listener: CoreHostBootstrapMessageListener) => () => void;
};
export type CoreHostBootstrapConnection = {
    connect: () => Promise<void>;
    disconnect: () => Promise<void>;
};
export type CreateCoreHostBootstrapConnection = (options: {
    generation: number;
    onConnected: (transport: CoreHostBootstrapTransport) => void;
    onError?: (error: Error) => void;
}) => CoreHostBootstrapConnection;
export type CoreHostBootstrapMarker = {
    protocolVersion: typeof CORE_HOST_BOOTSTRAP_PROTOCOL_VERSION;
    createCoreHostConnection: CreateCoreHostBootstrapConnection;
};
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