/**
 * Dispatch a composed, bubbling CustomEvent from the host.
 *
 * @param {HTMLElement} host
 * @param {string} name
 * @param {unknown} detail
 * @param {{ cancelable?: boolean }} [options]
 * @returns {boolean} false when a listener called preventDefault().
 */
export function emit(host: HTMLElement, name: string, detail: unknown, { cancelable }?: {
    cancelable?: boolean;
}): boolean;
/** Every event this library dispatches. Never write the string literals elsewhere. */
export const Events: Readonly<{
    SUBMIT: "chat-submit";
    BEFORE_OPEN: "chat-before-open";
    OPEN: "chat-open";
    BEFORE_CLOSE: "chat-before-close";
    CLOSE: "chat-close";
    HIDE: "chat-hide";
    SHOW: "chat-show";
    STATE_CHANGE: "chat-state-change";
    INPUT: "chat-input";
    MESSAGE_RENDER: "chat-message-render";
    MESSAGE_CLICK: "chat-message-click";
    SCROLL_TOP: "chat-scroll-top";
    BREAKPOINT_CHANGE: "chat-breakpoint-change";
    HOME: "chat-home";
    ATTACH: "chat-attach";
    MOVE: "chat-move";
}>;