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import boto3
from pydantic import BaseModel
from typing import List
import json

class BrandSearchResultItem(BaseModel):
    key: str
    name: str

class BrandSearchResults(BaseModel):
    features: List[BrandSearchResultItem]

class BrandSearchParameters(BaseModel):
    query: str
    fields: List[str] = ["brand"]
    sort: str = '_score desc'
    size: int = 10

class BrandCloudSearchClient:
    def __init__(self, domain_endpoint: str):
        self.client = boto3.client('cloudsearchdomain', endpoint_url=domain_endpoint)

    def search(self, params: BrandSearchParameters) -> BrandSearchResults:
        response = self.client.search(
            query=params.query,
            queryParser='simple',
            sort=params.sort,
            size=params.size,
            q_options=json.dumps({"fields": params.fields})
        )
        search_results = []
        for hit in response['hits']['hit']:
            search_results.append(BrandSearchResultItem(
                key=hit['fields'].get('brand', [''])[0],
                name=hit['fields'].get('name', [''])[0]
            ))

        return BrandSearchResults(
            features=search_results
        )