export type Unary<P, R> = (param: P) => R;
export type Variadic<P, R> = (...params: readonly P[]) => R;
export type EasingFunction = Unary<number, number>;
export type EasingFunctionList = EasingFunction[];
export type EasingFunctionSet = EasingFunctionList & [
    EasingFunction,
    EasingFunction,
    EasingFunction,
    EasingFunction
];
export type EasingFunctionSetWithAliases = EasingFunctionList & [
    EasingFunction,
    EasingFunction,
    EasingFunction,
    EasingFunction,
    EasingFunction,
    EasingFunction
];
export type EventuallyReturnsAnEasingFunction<T = unknown> = ((p: T) => EventuallyReturnsAnEasingFunction<unknown> | EasingFunction) | EasingFunction;
export type EasingFunctionDecorator = Unary<EasingFunction, EasingFunction>;
export type Combinator2 = Unary<EasingFunction, Unary<EasingFunction, EasingFunction>>;
export type CombinatorMany = Unary<EasingFunction[], EasingFunction>;
export type ReturnsEasingFunction<P = unknown> = Unary<P, EasingFunction>;