Method then

packages/firebase-database/index.android.ts:561–563

(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>)

		throw new Error('Method not implemented.');
	}
	then<TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): PromiseLike<TResult1 | TResult2> {
		throw new Error('Method not implemented.');
	}
}

export class DataSnapshot implements IDataSnapshot {