in packages/enterprise-search/src/api/app/api.ts [964:976]
async multiSearch (this: That, params: T.MultiSearchRequest, options?: TransportRequestOptions): Promise<T.MultiSearchResponse> {
const {
engine_name,
body,
...querystring
} = params ?? {}
return await this.transport.request<T.MultiSearchResponse>({
method: 'POST',
path: `/api/as/v1/engines/${engine_name}/multi_search`,
querystring,
body: body
}, options)
}