export interface LinearProgressClasses {
    /** Styles applied to the root element. */
    root: string;
    /** Styles applied to the root and bar2 element if `color="primary"`; bar2 if `variant="buffer"`. */
    colorPrimary: string;
    /** Styles applied to the root and bar2 elements if `color="secondary"`; bar2 if `variant="buffer"`. */
    colorSecondary: string;
    /** Styles applied to the root element if `variant="determinate"`. */
    determinate: string;
    /** Styles applied to the root element if `variant="indeterminate"`. */
    indeterminate: string;
    /** Styles applied to the root element if `variant="buffer"`. */
    buffer: string;
    /** Styles applied to the root element if `variant="query"`. */
    query: string;
    /** Styles applied to the additional bar element if `variant="buffer"`. */
    dashed: string;
    /** Styles applied to the additional bar element if `variant="buffer"` and `color="primary"`. */
    dashedColorPrimary: string;
    /** Styles applied to the additional bar element if `variant="buffer"` and `color="secondary"`. */
    dashedColorSecondary: string;
    /** Styles applied to the layered bar1 and bar2 elements. */
    bar: string;
    /** Styles applied to the bar elements if `color="primary"`; bar2 if `variant` not "buffer". */
    barColorPrimary: string;
    /** Styles applied to the bar elements if `color="secondary"`; bar2 if `variant` not "buffer". */
    barColorSecondary: string;
    /** Styles applied to the bar1 element if `variant="indeterminate or query"`. */
    bar1Indeterminate: string;
    /** Styles applied to the bar1 element if `variant="determinate"`. */
    bar1Determinate: string;
    /** Styles applied to the bar1 element if `variant="buffer"`. */
    bar1Buffer: string;
    /** Styles applied to the bar2 element if `variant="indeterminate or query"`. */
    bar2Indeterminate: string;
    /** Styles applied to the bar2 element if `variant="buffer"`. */
    bar2Buffer: string;
}
export declare type LinearProgressClassKey = keyof LinearProgressClasses;
export declare function getLinearProgressUtilityClass(slot: string): string;
declare const linearProgressClasses: LinearProgressClasses;
export default linearProgressClasses;