export declare type SnackbarAction = "error" | "info" | "success" | "warning" | "dismiss";
export declare type Handler = (event?: string) => void;
export declare type WildcardHandler = (type: SnackbarAction, event?: string) => void;
export interface Emitter {
    on(action: SnackbarAction, handler: Handler): void;
    on(action: "*", handler: WildcardHandler): void;
    off(action: SnackbarAction, handler: Handler): void;
    off(action: "*", handler: WildcardHandler): void;
    emit(action: SnackbarAction, msg?: string): void;
}
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