import { ReactNode } from 'react';
import { IconButtonProps as MuiIconButtonProps } from '@mui/material/IconButton';
import { TooltipProps } from '@mui/material/Tooltip';
/**
 * IconButton
 * Classification: mui-wrapper (themed MUI IconButton + a11y + tooltip + loading)
 * MUI base: https://mui.com/material-ui/react-button/#icon-button
 *
 * A compact, icon-only action. Unlike raw MUI, this enforces an accessible
 * `label` (rendered as `aria-label`), adds an optional `tooltip`, semantic
 * `variant` colors, and a `loading` spinner.
 */
export interface IconButtonProps extends Omit<MuiIconButtonProps, 'children' | 'color'> {
    /** The icon to render (e.g. a `@mui/icons-material` element). */
    icon: ReactNode;
    /** Accessible name for the button. Required for a11y since there is no text. */
    label: string;
    /** Visual emphasis. Maps to a themed color. */
    variant?: 'default' | 'primary' | 'danger';
    /** Optional tooltip. Defaults to `label` when omitted and `showTooltip` is set. */
    tooltip?: ReactNode;
    /** Placement for the tooltip when `tooltip` is provided. */
    tooltipPlacement?: TooltipProps['placement'];
    /** Show a spinner and disable interaction. */
    loading?: boolean;
}
export declare const IconButton: import('react').ForwardRefExoticComponent<Omit<IconButtonProps, "ref"> & import('react').RefAttributes<HTMLButtonElement>>;