/** Constant rate; `Typewriter`'s default. */
export declare function linear(t: number): number;

export declare function easeInQuad(t: number): number;
export declare function easeOutQuad(t: number): number;
export declare function easeInOutQuad(t: number): number;

export declare function easeInCubic(t: number): number;
export declare function easeOutCubic(t: number): number;
export declare function easeInOutCubic(t: number): number;

export declare function easeInSine(t: number): number;
export declare function easeOutSine(t: number): number;
export declare function easeInOutSine(t: number): number;