/// Represents different types of HTTP content types, such as JSON, XML, plain text, HTML,
/// form URL encoded, and an unknown type.
#[derive(Debug, Clone, PartialEq, Eq)]pubenumContentType{/// Represents the `application/json` content type.
ApplicationJson,/// Represents the `application/xml` content type.
ApplicationXml,/// Represents the `text/plain` content type.
TextPlain,/// Represents the `text/html` content type.
TextHtml,/// Represents the `application/x-www-form-urlencoded` content type.
FormUrlEncoded,/// Represents an unknown or unrecognized content type.
Unknown,}