import { IterationType, OptValue } from '../../common';
import { DFSOperation } from '../../../common';
export type ToEntryFn<K, V, R> = (rawElement: R) => BTNEntry<K, V>;
export type BinaryTreeOptions<K, V, R> = {
    iterationType?: IterationType;
    toEntryFn?: ToEntryFn<K, V, R>;
    isMapMode?: boolean;
    isDuplicate?: boolean;
};
export type BinaryTreePrintOptions = {
    isShowUndefined?: boolean;
    isShowNull?: boolean;
    isShowRedBlackNIL?: boolean;
};
export type OptNodeOrNull<NODE> = NODE | null | undefined;
export type BTNOptKeyOrNull<K> = K | null | undefined;
export type BTNEntry<K, V> = [BTNOptKeyOrNull<K>, OptValue<V>];
export type BTNOptKeyNodeOrNull<K, NODE> = BTNOptKeyOrNull<K> | NODE;
export type BTNRep<K, V, NODE> = BTNEntry<K, V> | BTNOptKeyNodeOrNull<K, NODE>;
export type BinaryTreeDeleteResult<NODE> = {
    deleted: OptNodeOrNull<NODE>;
    needBalanced: OptNodeOrNull<NODE>;
};
export type NodeCallback<NODE, D = any> = (node: NODE) => D;
export type NodePredicate<NODE> = (node: NODE) => boolean;
export type DFSStackItem<NODE> = {
    opt: DFSOperation;
    node: OptNodeOrNull<NODE>;
};