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/// @startDocuBlock serverAllowMethod
/// @brief allow HTTP method override via custom headers?
/// `--server.allow-method-override`
///
/// When this option is set to *true*, the HTTP request method will optionally
/// be fetched from one of the following HTTP request headers if present in
/// the request:
///
/// - *x-http-method*
/// - *x-http-method-override*
/// - *x-method-override*
///
/// If the option is set to *true* and any of these headers is set, the
/// request method will be overridden by the value of the header. For example,
/// this allows issuing an HTTP DELETE request which to the outside world will
/// look like an HTTP GET request. This allows bypassing proxies and tools
/// that
/// will only let certain request types pass.
///
/// Setting this option to *true* may impose a security risk so it should only
/// be used in controlled environments.
///
/// The default value for this option is *false*.
/// @endDocuBlock
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