message: Fix implicit any error in leveldown.d.ts
diff: @@ -63,7 +63,7 @@ export interface LevelDownBatchOptions {
  }
  export interface LevelDownIterator extends AbstractIterator<BaseType, BaseType> {
  - seek(key: BaseType);
  + seek(key: BaseType): void;
  binding: any;
  cache: any;
  finished: any;
  