type VirtualKeypadVersion = "MATH_INPUT_KEYPAD_V2" | "REACT_NATIVE_KEYPAD";
/**
 * A type union of all the events that any package in the Perseus ecosystem can
 * send.
 */
export type PerseusAnalyticsEvent = {
    type: "perseus:expression-evaluated";
    payload: {
        virtualKeypadVersion: VirtualKeypadVersion;
        result: "correct" | "incorrect" | "invalid";
    };
} | {
    type: "perseus:expression-focused";
    payload: null;
} | {
    type: "perseus:widget-rendering-error:ti";
    payload: {
        widgetSubType: string;
        widgetType: string;
        widgetId: string;
        message: string;
        stack: string;
        userAgent: string;
    };
} | {
    type: "perseus:widget:rendered:ti";
    payload: {
        widgetSubType: string;
        widgetType: string;
        widgetId: string;
    };
} | {
    type: "perseus:label-image:toggle-answers-hidden";
    payload: null;
} | {
    type: "perseus:label-image:marker-interacted-with";
    payload: null;
} | {
    type: "perseus:label-image:choiced-interacted-with";
    payload: null;
} | {
    type: "perseus:label-image:toggle-answers-hidden:ti";
    payload: null;
} | {
    type: "perseus:label-image:marker-interacted-with:ti";
    payload: null;
} | {
    type: "perseus:label-image:choiced-interacted-with:ti";
    payload: null;
} | {
    type: "perseus:image:explore-modal-opened:ti";
    payload: {
        widgetSubType: string;
        widgetId: string;
    };
} | {
    type: "perseus:image:explore-modal-closed:ti";
    payload: {
        durationMs: number;
        widgetSubType: string;
        widgetId: string;
    };
} | {
    type: "math-input:keypad-closed";
    payload: {
        virtualKeypadVersion: VirtualKeypadVersion;
    };
} | {
    type: "math-input:keypad-opened";
    payload: {
        virtualKeypadVersion: VirtualKeypadVersion;
    };
};
/** A function that is called when Perseus emits an analytics event. */
export type AnalyticsEventHandlerFn = (event: PerseusAnalyticsEvent) => Promise<void>;
export {};