export { SKIP } from '../consts.js';

type FlexIteratorOptions<Value = any, Result = Value, Parent = any> = {
    pick?: (item: Value | Parent) => Value | Iterable<any> | {
        value: any;
        parent: Parent;
    };
    transform: (value: Value, parent?: Parent) => Result;
    recursion?: boolean;
};
/**
 * 可以迭代的对象
 *
 * const source = new FlexIterator([1,2,3,4,5])
 * for(let value of source){
 *  console.log(value)
 * }
 * Output: 1,2,3,4,5
 *
 * const source = new FlexIterator([1,2,3,4,5],{transform:(value)=>`S-${value}`})
 * for(let value of source){
 *  console.log(value)
 * }
 * Output: S-1,S-2,S-3,S-4,S-5
 *
 * const source = new FlexIterator([1,2,[3,4],[5,6,[7,8,[9,10]]]],{
 *  transform:(value)=>`S-${value}`
 *  recursion:true
 * })
 * for(let value of source){
 *  console.log(value) *
 * }
 * Output: S-1,S-2,S-3,S-4,S-5,S-6,S-7,S-8,S-9,S-10
 *
 *
 *
 * @types
 *  S: 源类型
 *  R: 返回值类型
 *  P: 当前节点的父节点类型，当
 * @param nodes
 * @param options
 */
declare class FlexIterator<Value = any, Result = Value, Parent = any> {
    private nodes;
    options: FlexIteratorOptions<Value, Result, Parent>;
    constructor(nodes: Iterable<Value | Iterable<any>>, options?: FlexIteratorOptions<Value, Result, Parent>);
    [Symbol.iterator](): Iterator<Result, any, undefined>;
}

export { FlexIterator, type FlexIteratorOptions };