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arangodb/Documentation/DocuBlocks/Rest/Graph edges/API_EDGE_DELETE.md

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////////////////////////////////////////////////////////////////////////////////
/// @startDocuBlock API_EDGE_DELETE
/// @brief deletes an edge
///
/// @RESTHEADER{DELETE /_api/edge/{document-handle}, Deletes edge}
///
/// @RESTURLPARAMETERS
///
/// @RESTURLPARAM{document-handle,string,required}
/// Deletes the edge document identified by *document-handle*.
///
/// @RESTQUERYPARAMETERS
///
/// @RESTQUERYPARAM{rev,string,optional}
/// You can conditionally delete an edge document based on a target revision id by
/// using the *rev* query parameter.
///
/// @RESTQUERYPARAM{policy,string,optional}
/// To control the update behavior in case there is a revision mismatch, you
/// can use the *policy* parameter. This is the same as when replacing edge
/// documents (see replacing edge documents for more details).
///
/// @RESTQUERYPARAM{waitForSync,boolean,optional}
/// Wait until edge document has been synced to disk.
///
/// @RESTHEADERPARAMETERS
///
/// @RESTHEADERPARAM{If-Match,string,optional}
/// You can conditionally delete an edge document based on a target revision id by
/// using the *if-match* HTTP header.
///
/// @RESTDESCRIPTION
/// The body of the response contains a JSON object with the information about
/// the handle and the revision. The attribute *_id* contains the known
/// *document-handle* of the deleted edge document, *_key* contains the key which
/// uniquely identifies a document in a given collection, and the attribute *_rev*
/// contains the new document revision.
///
/// If the *waitForSync* parameter is not specified or set to
/// *false*, then the collection's default *waitForSync* behavior is
/// applied. The *waitForSync* query parameter cannot be used to disable
/// synchronization for collections that have a default *waitForSync* value
/// of *true*.
///
/// @RESTRETURNCODES
///
/// @RESTRETURNCODE{200}
/// is returned if the edge document was deleted successfully and *waitForSync* was
/// *true*.
///
/// @RESTRETURNCODE{202}
/// is returned if the edge document was deleted successfully and *waitForSync* was
/// *false*.
///
/// @RESTRETURNCODE{404}
/// is returned if the collection or the edge document was not found.
/// The response body contains an error document in this case.
///
/// @RESTRETURNCODE{412}
/// is returned if a "If-Match" header or *rev* is given and the found
/// document has a different version. The response will also contain the found
/// document's current revision in the *_rev* attribute. Additionally, the
/// attributes *_id* and *_key* will be returned.
/// @endDocuBlock
////////////////////////////////////////////////////////////////////////////////