export interface Easing { easeInOut: string; easeOut: string; easeIn: string; sharp: string; } export interface Duration { shortest: number; shorter: number; short: number; standard: number; complex: number; enteringScreen: number; leavingScreen: number; } export interface TransitionsOptions { easing?: Partial; duration?: Partial; } export interface Transitions { easing: Easing; duration: Duration; }