prettier-plugin-hermes-parser: error with prettier when declare namespace

[ayroblu]

Bug Description

Prettier fails if the code contains declare namespace

[error] flow-typed/zipkin_vx.x.x.js: Error: Missing visitor keys for 'DeclareNamespace'.
[error]     at getVisitorKeys3 (~/web/node_modules/prettier-plugin-hermes-parser/dist/third-party/internal-prettier-v3/plugins/estree.js:1236:29)
[error]     at ~/web/node_modules/prettier-plugin-hermes-parser/dist/third-party/internal-prettier-v3/ast-to-doc.js:1162:44
...

Library module:

declare module 'zipkin' {
  declare namespace sampler {
    declare const neverSample: () => boolean;
  }
}