////////////////////////////////////////////////////////////////////////////////
/// @startDocuBlock DeleteApiQuerySlow
/// @brief clears the list of slow AQL queries
///
/// @RESTHEADER{DELETE /_api/query/slow, Clears the list of slow AQL queries}
///
/// @RESTDESCRIPTION
/// Clears the list of slow AQL queries
///
/// @RESTRETURNCODES
///
/// @RESTRETURNCODE{200}
/// The server will respond with *HTTP 200* when the list of queries was
/// cleared successfully.
///
/// @RESTRETURNCODE{400}
/// The server will respond with *HTTP 400* in case of a malformed request.
/// @endDocuBlock
////////////////////////////////////////////////////////////////////////////////