export declare const sizes: readonly ["sm", "md"];
export type AlertSizes = typeof sizes[number];
export declare const appearances: readonly ["infoPrimary", "infoSecondary", "positive", "warning", "negative"];
export type AlertAppearances = typeof appearances[number];
/**
 * Alert roles we remove 'log' and 'status'
 * due to this issue:
 * https://github.com/nvaccess/nvda/issues/14591
 */
export declare const roles: {
    readonly alert: "alert";
    readonly alertDialog: "alertdialog";
};
export type AlertRoles = typeof roles[keyof typeof roles] | undefined;
export declare const getContentDefaultHeight: (size: AlertSizes) => number;
export declare const iconAriaLabels: Record<AlertAppearances, string>;
export declare const closeButtonAriaLabel = "Dismiss Alert";