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import type { Client } from '../client/mod.ts'import { Base } from '../structures/base.ts'import { Collection } from '../utils/collection.ts'import { BaseManager } from './base.ts'
/** Child Managers validate data from their parents i.e. from Managers */export class BaseChildManager<T, T2> extends Base {  /** Parent Manager */  parent: BaseManager<T, T2>
  constructor(client: Client, parent: BaseManager<T, T2>) {    super(client)    this.parent = parent  }
  get cacheName(): string {    return typeof this.parent === 'undefined'      ? 'unknown_parent'      : this.parent.cacheName  }
  async get(key: string): Promise<T2 | undefined> {    return this.parent.get(key)  }
  async set(key: string, value: T): Promise<void> {    return this.parent.set(key, value)  }
  async delete(_: string): Promise<boolean> {    return false  }
  async array(): Promise<T2[]> {    return this.parent.array()  }
  async collection(): Promise<Collection<string, T2>> {    const arr = (await this.array()) as undefined | T2[]    if (arr === undefined) return new Collection()    const collection = new Collection()    for (const elem of arr) {      collection.set((elem as unknown as { id: string }).id, elem)    }    return collection  }
  async *[Symbol.asyncIterator](): AsyncIterableIterator<T2> {    for (const data of (await this.array()) ?? []) {      yield data    }  }
  async fetch(...args: unknown[]): Promise<T2 | undefined> {    return this.parent.fetch(...args)  }
  /** Try to get value from cache, if not found then fetch */  async resolve(key: string): Promise<T2 | undefined> {    const cacheValue = await this.get(key)    if (cacheValue !== undefined) return cacheValue    else {      const fetchValue = await this.fetch(key).catch(() => undefined)      if (fetchValue !== undefined) return fetchValue    }  }
  /** Gets number of values stored in Cache */  async size(): Promise<number> {    return this.parent.size()  }
  async keys(): Promise<string[]> {    return this.parent.keys()  }
  [Symbol.for('Deno.customInspect')](): string {    return `ChildManager(${this.cacheName})`  }}