export interface ReleasebirdPlugin {
    echo(options: {
        value: string;
    }): Promise<{
        value: string;
    }>;
    initialize(options: {
        apiKey: string;
    }): Promise<void>;
    initialize(options: {
        apiKey: string;
        showButton: boolean;
    }): Promise<void>;
    showButton(options: {
        showButton: boolean;
    }): Promise<void>;
    identify(options: {
        hash: string;
        identify: any;
    }): Promise<void>;
    showWidget(): Promise<void>;
    logout(): Promise<void>;
}