*
 * <p>Usage examples:</p>
 * <pre>
 *     throw new CurlException("Error message");
 *     throw new CurlException("Error message", cause);
 * </pre>
 *
 * @see RuntimeException
 */
public class CurlException extends RuntimeException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new CurlException with the specified detail message and cause.
     *

        CurlException exception = new CurlException(message);
        String toString = exception.toString();

        assertNotNull(toString);
        assertTrue(toString.contains("CurlException"));
        assertTrue(toString.contains(message));
    }

    @Test
    public void testStackTrace() {
        CurlException exception = new CurlException("Test message");

     * @return the content as a string.
     * @throws CurlException if an error occurs while accessing the content.
     */
    public String getContentAsString() {
        if (contentCache == null) {
            if (contentException != null) {
                throw new CurlException("Failed to access the content.", contentException);
            }
            throw new CurlException("Failed to access the content.");
        }
        try {

│   │   ├── Curl.java              # Static entry point with factory methods
│   │   ├── CurlRequest.java       # Fluent request builder
│   │   ├── CurlResponse.java      # Response wrapper (implements Closeable)
│   │   ├── CurlException.java     # Unchecked exception for HTTP errors
│   │   └── io/
│   │       ├── ContentCache.java       # In-memory or file-based caching
│   │       └── ContentOutputStream.java # Threshold-based output stream

- `org.codelibs.curl.CurlRequest`: builder for HTTP requests.
- `org.codelibs.curl.CurlResponse`: wrapper for HTTP responses.
- `org.codelibs.curl.CurlException`: unchecked exception for errors.
- `org.codelibs.curl.io.ContentCache` and `ContentOutputStream`: internal utilities for streaming and caching.

Refer to the Javadoc for full API details.

## Building and Testing