declare function createMuiTheme(options?: { palette?: any; breakpoints?: any; mixins?: any; typography?: any; }): { direction: string; palette: any; typography: any; shadows: string[]; transitions: { easing: { easeInOut: string; easeOut: string; easeIn: string; sharp: string; }; duration: { shortest: number; shorter: number; short: number; standard: number; complex: number; enteringScreen: number; leavingScreen: number; }; create(props?: string[], options?: { duration?: string; easing?: string; delay?: number; }): string; getAutoHeightDuration(height: any): number; }; mixins: any; spacing: { unit: number; }; breakpoints: any; zIndex: { menu: number; appBar: number; drawerOverlay: number; navDrawer: number; dialogOverlay: number; dialog: number; layer: number; popover: number; snackbar: number; tooltip: number; }; }; export default createMuiTheme;