type LastElement<T> = T extends [...unknown[], infer LastItem] ? LastItem : never;
type Operator<A, B> = (value: A) => B;
type OperatorA<T> = T extends Operator<infer A, any> ? A : never;
type OperatorB<T> = T extends Operator<any, infer B> ? B : never;
type PipeOperators<Operators extends unknown[], Input> = Operators extends [infer Item, ...infer Tail] ? [Operator<Input, OperatorB<Item>>, ...PipeOperators<Tail, OperatorB<Item>>] : Operators;
type PipeOperatorsOutput<Operators extends unknown[]> = OperatorB<LastElement<Operators>>;
declare function _pipe<Input, Operators extends unknown[]>(...operators: PipeOperators<Operators, Input>): (input: Input) => PipeOperatorsOutput<Operators>;