text: will be required for opt-in data-collection.Installation and Setupâ€‹To get access to the Brave Search API, you need to create an account and get an API key.api_key = "..."from langchain.document_loaders import BraveSearchLoaderExampleâ€‹loader = BraveSearchLoader(    query="obama middle name", api_key=api_key, search_kwargs={"count": 3})docs = loader.load()len(docs)    3[doc.metadata for doc in docs]    [{'title': "Obama's Middle Name -- My Last Name -- is 'Hussein.' So?",      'link': 'https://www.cair.com/cair_in_the_news/obamas-middle-name-my-last-name-is-hussein-so/'},     {'title': "What's up with Obama's middle name? - Quora",      'link': 'https://www.quora.com/Whats-up-with-Obamas-middle-name'},     {'title': 'Barack Obama | Biography, Parents, Education, Presidency, Books, ...',      'link': 'https://www.britannica.com/biography/Barack-Obama'}][doc.page_content for doc in docs]    ['I wasnâ€™t sure whether to laugh or cry a few days back listening to radio talk show host Bill Cunningham repeatedly scream Barack <strong>Obama</strong>â€™<strong>s</strong> <strong>middle</strong> <strong>name</strong> â€” my last <strong>name</strong> â€” as if he had anti-Muslim Touretteâ€™s. â€œHussein,â€� Cunningham hissed like he was beckoning Satan when shouting the ...',     'Answer (1 of 15): A better question would