Get the list of WebSocket Extension Configurations for this Upgrade Request.
<p>
This is merely the list of requested Extensions to use, see {@link UpgradeResponse#getExtensions()} for what was
negotiated
@return the list of Extension configurations (in the order they were specified)
Get the list of WebSocket Extension Configurations for this Upgrade Request. <p> This is merely the list of requested Extensions to use, see {@link UpgradeResponse#getExtensions()} for what was negotiated
@return the list of Extension configurations (in the order they were specified)