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// data typeexport type DataType<T> = {	key: string	value: T}
export type NodeType = {	data: DataType<any>	next: null|NodeType}|null
export interface HashTableApi {	length: number	add(data: DataType<any>): boolean	remove(key: string): boolean|any[]	update(key: string, newValue: DataType<any>): boolean|DataType<any>	get(key: string): boolean|DataType<any>	log(key?: string): void,	iterator(): Generator}