[BUG] Built-in english analyzer not supported by type definitions

[amitbeck]

What is the bug?

The docs show an example of configuring an English analyzer like so:

{
  "settings": {
    "analysis": {
      "analyzer": {
        "english_analyzer": {
          "type": "english",
          // ...
        }
      }
    }
  }
}

But the type definitions don't seem to reflect that such valid is valid for type:

Type '"english"' is not assignable to type '"custom" | "fingerprint" | "keyword" | "language" | "nori" | "pattern" | "simple" | "standard" | "stop" | "whitespace" | "icu_analyzer" | "kuromoji" | "snowball" | "dutch" | "smartcn" | "cjk" | "phone" | "phone-search"'. ts(2322)
_common.analysis.d.ts(76, 3): The expected type comes from property 'type' which is declared here on type 'Analyzer'

How can one reproduce the bug?

import { type API } from "@opensearch-project/opensearch";

const indexConfig: API.Indices_Create_RequestBody = {
  settings: {
    analysis: {
      analyzer: {
        english_analyzer: {
          type: "english",
       // ~~~~ <- type error
          // ...
        },
      },
    },
  },
}

What is the expected behavior?

"english" should be a valid value for type in the Analyzer union type

What is your host/environment?

macOS 15.3.1
Node.js v22.14.0
TypeScript v5.7.2

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