arg_name: param
name: $indexName
type: string
description: |
  The name of the index to drop. View the existing indexes on the
  collection using the :phpmethod:`listIndexes
  <MongoDB\\Collection::listIndexes>` method.
interface: phpmethod
operation: MongoDB\\Collection::dropIndex
optional: false
position: 1
---
source:
  file: apiargs-common-param.yaml
  ref: $options
interface: phpmethod
operation: MongoDB\\Collection::dropIndex
position: 2
...