use firecrawl::{    crawl::CrawlOptions,    scrape::{ExtractOptions, ScrapeFormats, ScrapeOptions},    FirecrawlApp,};use serde_json::json; #[tokio::main]async fn main() {    // Initialize the FirecrawlApp with the API key    let app = FirecrawlApp::new("fc-YOUR-API-KEY").expect("Failed to initialize FirecrawlApp");     // Or, connect to a self-hosted instance:    // let app = FirecrawlApp::new_selfhosted("http://localhost:3002", None).expect("Failed to initialize FirecrawlApp");     // Scrape a website    let scrape_result = app.scrape_url("https://firecrawl.dev", None).await;     match scrape_result {        Ok(data) => println!("Scrape Result:\n{}", data.markdown.unwrap()),        Err(e) => eprintln!("Scrape failed: {:#?}", e),    }     // Crawl a website    let crawl_options = CrawlOptions {        exclude_paths: vec!["blog/*".into()].into(),        ..Default::default()    };     let crawl_result = app.crawl_url("https://mendable.ai", crawl_options).await;     match crawl_result {        Ok(data) => println!(            "Crawl Result (used {} credits):\n{:#?}",            data.credits_used, data.data        ),        Err(e) => eprintln!("Crawl failed: {}", e),    }     // Scrape with Extract    let json_schema = json!({        "type": "object",        "properties": {            "top": {                "type": "array",                "items": {                    "type": "object",                    "properties": {                        "title": {"type": "string"},                        "points": {"type": "number"},                        "by": {"type": "string"},                        "commentsURL": {"type": "string"}                    },                    "required": ["title", "points", "by", "commentsURL"]                },                "minItems": 5,                "maxItems": 5,                "description": "Top 5 stories on Hacker News"            }        },        "required": ["top"]    });     let llm_extraction_options = ScrapeOptions {        formats: vec![ScrapeFormats::Extract].into(),        extract: ExtractOptions {            schema: json_schema.into(),            ..Default::default()        }        .into(),        ..Default::default()    };     let llm_extraction_result = app        .scrape_url("https://news.ycombinator.com", llm_extraction_options)        .await;     match llm_extraction_result {        Ok(data) => println!("LLM Extraction Result:\n{:#?}", data.extract.unwrap()),        Err(e) => eprintln!("LLM Extraction failed: {}", e),    }     // Map a website (Alpha)    let map_result = app.map_url("https://firecrawl.dev", None).await;     match map_result {        Ok(data) => println!("Mapped URLs: {:#?}", data),        Err(e) => eprintln!("Map failed: {}", e),    }}