FourthArgType
export type FourthArgType<T> = T extends (
arg0: any,
arg1: any,
arg2: any,
arg3: unknown
) => any
? D
: never
export type FourthArgType<T> = T extends (
arg0: any,
arg1: any,
arg2: any,
arg3: unknown
) => any
? D
: never