Function soup_sys::soup_websocket_extension_configure

pub unsafe extern "C" fn soup_websocket_extension_configure(
    extension: *mut SoupWebsocketExtension, 
    connection_type: SoupWebsocketConnectionType, 
    params: *mut GHashTable, 
    error: *mut *mut GError
) -> gboolean

This is supported on crate feature v2_68 only.