export interface SelectClasses {
    /** Styles applied to the root element. */
    root: string;
    /** Styles applied to the select component `select` class. */
    select: string;
    /** Styles applied to the select component if `multiple={true}`. */
    multiple: string;
    /** Styles applied to the select component if `variant="filled"`. */
    filled: string;
    /** Styles applied to the select component if it is focused. */
    focused: string;
    /** Styles applied to the select component if `variant="outlined"`. */
    outlined: string;
    /** Styles applied to the select component if `variant="standard"`. */
    standard: string;
    /** State class applied to the select component `disabled` class. */
    disabled: string;
    /** Styles applied to the icon component. */
    icon: string;
    /** Styles applied to the icon component if the popup is open. */
    iconOpen: string;
    /** Styles applied to the icon component if `variant="filled"`.
     * @deprecated Combine the [.MuiSelect-icon](/material-ui/api/select/#select-classes-icon) and [.MuiSelect-filled](/material-ui/api/select/#select-classes-filled) classes instead. See [Migrating from deprecated APIs](/material-ui/migration/migrating-from-deprecated-apis/) for more details.
     */
    iconFilled: string;
    /** Styles applied to the icon component if `variant="outlined"`.
     * @deprecated Combine the [.MuiSelect-icon](/material-ui/api/select/#select-classes-icon) and [.MuiSelect-outlined](/material-ui/api/select/#select-classes-outlined) classes instead. See [Migrating from deprecated APIs](/material-ui/migration/migrating-from-deprecated-apis/) for more details.
     */
    iconOutlined: string;
    /** Styles applied to the icon component if `variant="standard"`.
     * @deprecated Combine the [.MuiSelect-icon](/material-ui/api/select/#select-classes-icon) and [.MuiSelect-standard](/material-ui/api/select/#select-classes-standard) classes instead. See [Migrating from deprecated APIs](/material-ui/migration/migrating-from-deprecated-apis/) for more details.
     */
    iconStandard: string;
    /** Styles applied to the underlying native input component. */
    nativeInput: string;
    /** State class applied to the root element if `error={true}`. */
    error: string;
}
export type SelectClassKey = keyof SelectClasses;
export declare function getSelectUtilityClasses(slot: string): string;
declare const selectClasses: SelectClasses;
export default selectClasses;