/// <reference types="react" />
export interface AdmitOneOptions {
    /**
     * A callback function called on when the first instance of the component is
     * mounted.
     */
    onMount?(element: JSX.Element): void;
    /**
     * A callback function called when subsequent mount attempts occur after the
     * first instance of the component is mounted.
     */
    onRestrictedMount?(element: JSX.Element): void;
    /**
     * A callback function called when first instance of the component unmounts.
     */
    onUnmount?(element: JSX.Element): void;
    /**
     * Ignores mounting restrictions applied by any boundaries. When specified,
     * the component can only be mounted once through the entire application even
     * when mounted within a boundary. Defaults to `false`.
     */
    ignoreBoundary?: boolean;
    /**
     * Prevents subsequent mount attempts after the first instance of the component
     * unmounts. Defaults to `false`.
     */
    persistTrace?: boolean;
}
export interface InstanceMount {
    element: JSX.Element;
    stackTrace?: string;
}
export declare type InstancesMap = Map<React.JSXElementConstructor<any>, InstanceMount>;