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Full Smack library for Java SE.

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/**
 *
 * Copyright 2015-2023 Florian Schmaus
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * Smack's API for XMPP extensions.
 * 
 * The XMPP protocol includes a base protocol and many optional extensions typically documented as "XEPs". Smack
 * provides the {@link org.jivesoftware.smack} package for the core XMPP protocol and the {@link org.jivesoftware.smackx
 * package} for many of the protocol extensions.
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 * XEPs supported by Smack Name XEP Smack API Description
 Data Forms XEP-0004 {@link org.jivesoftware.smackx.xdata} Allows to gather data using Forms.
Last Activity XEP-0012 Communicating information about the last activity associated with an XMPP entity.
Flexible Offline Message Retrieval XEP-0013 Extension for flexible, POP3-like handling of offline messages.
Privacy Lists XEP-0016 {@link org.jivesoftware.smackx.privacy} Enabling or disabling communication with other entities.
Message Events XEP-0022 Requests and responds to message events.
Service Discovery XEP-0030 Allows to discover services in XMPP entities.
Extended Stanza Addressing XEP-0033 Allows to include headers in stanzas in order to specify multiple recipients or sub-addresses.
Multi User Chat XEP-0045 {@link org.jivesoftware.smackx.muc} Allows configuration of, participation in, and administration of individual text-based conference rooms.
In-Band Bytestreams XEP-0047 Enables any two entities to establish a one-to-one bytestream between themselves using plain XMPP.
Bookmarks XEP-0048 Bookmarks, for e.g. MUC and web pages.
Private Data XEP-0049 Manages private data.
Ad-Hoc Commands XEP-0050 Advertising and executing application-specific commands.
vcard-temp XEP-0054 The vCard-XML format currently in use.
Jabber Search XEP-0055 Search information repositories on the XMPP network.
Result Set Management XEP-0059 Page through and otherwise manage the receipt of large result sets
PubSub XEP-0060 Generic publish and subscribe functionality.
SOCKS5 Bytestreams XEP-0065 Out-of-band bytestream between any two XMPP entities.
Field Standardization for Data Forms XEP-0068 Standardized field variables used in the context of jabber:x:data forms.
XHTML-IM XEP-0071 Allows send and receiving formatted messages using XHTML.
In-Band Registration XEP-0077 In-band registration with XMPP services.
Advanced Message Processing XEP-0079 Enables entities to request, and servers to perform, advanced processing of XMPP message stanzas.
User Location XEP-0080 Enabled communicating information about the current geographical or physical location of an entity.
XMPP Date Time Profiles XEP-0082 Standardization of Date and Time representation in XMPP.
Chat State Notifications XEP-0085 Communicating the status of a user in a chat session.
Time Exchange XEP-0090 Allows local time information to be shared between users.
Software Version XEP-0092 Retrieve and announce the software application of an XMPP entity.
Roster Item Exchange XEP-0093 Allows roster data to be shared between users.
Stream Initiation XEP-0095 Initiating a data stream between any two XMPP entities.
SI File Transfer XEP-0096 Transfer files between two users over XMPP.
URL Address Information XEP-0103 {@link org.jivesoftware.smackx.urldata.element} Provide information about an Uniform Resource Locator (URL), and a protocol signaling retrieval states.
HTTP Scheme for URL Data XEP-0104 A schema description for detailed information about HTTP URLs.
User Mood XEP-0107 Communicate the users current mood.
Entity Capabilities XEP-0115 {@link org.jivesoftware.smackx.caps.EntityCapsManager} Broadcasting and dynamic discovery of entity capabilities.
User Tune XEP-0118 Defines a payload format for communicating information about music to which a user is listening.
Data Forms Validation XEP-0122 Enables an application to specify additional validation guidelines.
Stanza Headers and Internet Metadata (SHIM) XEP-0131 Add Metadata Headers to Stanzas.
Service Administration XEP-0133 Recommended best practices for service-level administration of servers and components using Ad-Hoc Commands.
Stream Compression XEP-0138 Support for optional compression of the XMPP stream.
Data Forms Layout XEP-0141 Enables an application to specify form layouts.
Discovering Alternative XMPP Connection Methods XEP-0156 Defines ways to discover alternative connection methods.
Personal Eventing Protocol XEP-0163 Using the XMPP publish-subscribe protocol to broadcast state change events associated with an XMPP account.
Jingle XEP-0166 Initiate and manage sessions between two XMPP entities.
User Nickname XEP-0172 Communicate user nicknames.
Message Delivery Receipts XEP-0184 Extension for message delivery receipts. The sender can request notification that the message has been
 * delivered.
Blocking Command XEP-0191 {@link org.jivesoftware.smackx.blocking.BlockingCommandManager} Communications blocking that is intended to be simpler than privacy lists (XEP-0016).
Stream Management XEP-0198 Allows active management of an XML Stream between two XMPP entities (stanza acknowledgement, stream
 * resumption).
XMPP Ping XEP-0199 Sending application-level pings over XML streams.
Entity Time XEP-0202 Allows entities to communicate their local time
Delayed Delivery XEP-0203 Extension for communicating the fact that an XML stanza has been delivered with a delay.
XMPP Over BOSH XEP-0206 Use Bidirectional-streams Over Synchronous HTTP (BOSH) to transport XMPP stanzas.
Data Forms Media Element XEP-0221 Allows to include media data in XEP-0004 data forms.
Attention XEP-0224 Getting attention of another user.
Bits of Binary XEP-0231 Including or referring to small bits of binary data in an XML stanza.
Software Information XEP-0232 Allows an entity to provide detailed data about itself in Service Discovery responses.
Roster Versioning XEP-0237 Efficient roster synchronization.
Direct MUC Invitations XEP-0249 Allows sending a MUC invitation directly from the user to the contact with mediation by the room.
Jingle Content Thumbnails XEP-0264 {@link org.jivesoftware.smackx.thumbnails.element} Defines a way for a client to supply a preview image for Jingle content.
Message Carbons XEP-0280 {@link org.jivesoftware.smackx.carbons} Keep all IM clients for a user engaged in a conversation, by carbon-copy outbound messages to all interested
 * resources.
Best Practices for Resource Locking XEP-0296 Specifies best practices to be followed by Jabber/XMPP clients about when to lock into, and unlock away from,
 * resources.
Stanza Forwarding XEP-0297 Allows forwarding of Stanzas.
Last Message Correction XEP-0308 Provides a method for indicating that a message is a correction of the last sent message.
Message Archive Management XEP-0313 Query and control an archive of messages stored on a server.
Data Forms XML Element XEP-0315 Allows to include XML-data in XEP-0004 data forms.
Last User Interaction in Presence XEP-0319 Communicate time of last user interaction via XMPP presence notifications.
Internet of Things - Sensor Data XEP-0323 Sensor data interchange over XMPP.
Internet of Things - Provisioning XEP-0324 Provisioning, access rights and user privileges for the Internet of Things.
Internet of Things - Control XEP-0325 Describes how to control devices or actuators in an XMPP-based sensor network.
Jid Prep XEP-0328 Describes a way for an XMPP client to request an XMPP server to prep and normalize a given JID.
HTTP over XMPP transport XEP-0332 {@link org.jivesoftware.smackx.hoxt} Allows to transport HTTP communication over XMPP peer-to-peer networks.
Chat Markers XEP-0333 A solution of marking the last received, displayed and acknowledged message in a chat.
Message Processing Hints XEP-0334 Hints to entities routing or receiving a message.
JSON Containers XEP-0335 Encapsulation of JSON data within XMPP Stanzas.
Internet of Things - Discovery XEP-0347 Describes how Things can be installed and discovered by their owners.
Data Forms Geolocation Element XEP-0350 Allows to include XEP-0080 geolocation data in XEP-0004 data forms.
Client State Indication XEP-0352 A way for the client to indicate its active/inactive state.
Push Notifications XEP-0357 Defines a way to manage push notifications from an XMPP Server.
Stable and Unique Stanza IDs XEP-0359 This specification describes unique and stable IDs for messages.
Nonzas XEP-0360 {@link org.jivesoftware.smack.packet.Nonza} Defines the term “Nonza”, describing every top level stream element that is not a Stanza.
HTTP File Upload XEP-0363 Protocol to request permissions to upload a file to an HTTP server and get a shareable URL.
References XEP-0372 Add references like mentions or external data to stanzas.
Explicit Message Encryption XEP-0380 Mark a message as explicitly encrypted.
OpenPGP for XMPP XEP-0373 Utilize OpenPGP to exchange encrypted and signed content.
OpenPGP for XMPP: Instant Messaging XEP-0374 OpenPGP encrypted Instant Messaging.
Spoiler Messages XEP-0382 Indicate that the body of a message should be treated as a spoiler.
OMEMO Multi End Message and Object Encryption XEP-0384 Encrypt messages using OMEMO encryption (currently only with smack-omemo-signal -> GPLv3).
Consistent Color Generation XEP-0392 {@link org.jivesoftware.smackx.colors.ConsistentColor} Generate consistent colors for identifiers like usernames to provide a consistent user experience.
Message Markup XEP-0394 {@link org.jivesoftware.smackx.message_markup.element} Style message bodies while keeping body and markup information separated.
DNS Queries over XMPP (DoX) XEP-0418 Send DNS queries and responses over XMPP.
Stanza Content Encryption XEP-0420 End-to-end encryption of arbitrary extension elements. Smack provides elements and providers to be used by
 * encryption mechanisms.
Message Fastening XEP-0422 Mark payloads on a message to be logistically fastened to a previous message.
Message Retraction XEP-0424 Mark messages as retracted.
Fallback Indication XEP-0428 Declare body elements of a message as ignorable fallback for naive legacy clients.
File metadata element XEP-0446 {@link org.jivesoftware.smackx.file_metadata.element} Defines a generic file metadata element to be used in other specifications.
Google GCM JSON payload Semantically the same as XEP-0335: JSON Containers.
Multi-User Chat Light XEP-MUCLIGHT Multi-User Chats for mobile XMPP applications and specific environment.
Jive Properties TODO
 */
package org.jivesoftware.smackx;

Name	XEP	Smack API	Description
Data Forms	XEP-0004	{@link org.jivesoftware.smackx.xdata}	Allows to gather data using Forms.
Last Activity	XEP-0012		Communicating information about the last activity associated with an XMPP entity.
Flexible Offline Message Retrieval	XEP-0013		Extension for flexible, POP3-like handling of offline messages.
Privacy Lists	XEP-0016	{@link org.jivesoftware.smackx.privacy}	Enabling or disabling communication with other entities.
Message Events	XEP-0022		Requests and responds to message events.
Service Discovery	XEP-0030		Allows to discover services in XMPP entities.
Extended Stanza Addressing	XEP-0033		Allows to include headers in stanzas in order to specify multiple recipients or sub-addresses.
Multi User Chat	XEP-0045	{@link org.jivesoftware.smackx.muc}	Allows configuration of, participation in, and administration of individual text-based conference rooms.
In-Band Bytestreams	XEP-0047		Enables any two entities to establish a one-to-one bytestream between themselves using plain XMPP.
Bookmarks	XEP-0048		Bookmarks, for e.g. MUC and web pages.
Private Data	XEP-0049		Manages private data.
Ad-Hoc Commands	XEP-0050		Advertising and executing application-specific commands.
vcard-temp	XEP-0054		The vCard-XML format currently in use.
Jabber Search	XEP-0055		Search information repositories on the XMPP network.
Result Set Management	XEP-0059		Page through and otherwise manage the receipt of large result sets
PubSub	XEP-0060		Generic publish and subscribe functionality.
SOCKS5 Bytestreams	XEP-0065		Out-of-band bytestream between any two XMPP entities.
Field Standardization for Data Forms	XEP-0068		Standardized field variables used in the context of jabber:x:data forms.
XHTML-IM	XEP-0071		Allows send and receiving formatted messages using XHTML.
In-Band Registration	XEP-0077		In-band registration with XMPP services.
Advanced Message Processing	XEP-0079		Enables entities to request, and servers to perform, advanced processing of XMPP message stanzas.
User Location	XEP-0080		Enabled communicating information about the current geographical or physical location of an entity.
XMPP Date Time Profiles	XEP-0082		Standardization of Date and Time representation in XMPP.
Chat State Notifications	XEP-0085		Communicating the status of a user in a chat session.
Time Exchange	XEP-0090		Allows local time information to be shared between users.
Software Version	XEP-0092		Retrieve and announce the software application of an XMPP entity.
Roster Item Exchange	XEP-0093		Allows roster data to be shared between users.
Stream Initiation	XEP-0095		Initiating a data stream between any two XMPP entities.
SI File Transfer	XEP-0096		Transfer files between two users over XMPP.
URL Address Information	XEP-0103	{@link org.jivesoftware.smackx.urldata.element}	Provide information about an Uniform Resource Locator (URL), and a protocol signaling retrieval states.
HTTP Scheme for URL Data	XEP-0104		A schema description for detailed information about HTTP URLs.
User Mood	XEP-0107		Communicate the users current mood.
Entity Capabilities	XEP-0115	{@link org.jivesoftware.smackx.caps.EntityCapsManager}	Broadcasting and dynamic discovery of entity capabilities.
User Tune	XEP-0118		Defines a payload format for communicating information about music to which a user is listening.
Data Forms Validation	XEP-0122		Enables an application to specify additional validation guidelines.
Stanza Headers and Internet Metadata (SHIM)	XEP-0131		Add Metadata Headers to Stanzas.
Service Administration	XEP-0133		Recommended best practices for service-level administration of servers and components using Ad-Hoc Commands.
Stream Compression	XEP-0138		Support for optional compression of the XMPP stream.
Data Forms Layout	XEP-0141		Enables an application to specify form layouts.
Discovering Alternative XMPP Connection Methods	XEP-0156		Defines ways to discover alternative connection methods.
Personal Eventing Protocol	XEP-0163		Using the XMPP publish-subscribe protocol to broadcast state change events associated with an XMPP account.
Jingle	XEP-0166		Initiate and manage sessions between two XMPP entities.
User Nickname	XEP-0172		Communicate user nicknames.
Message Delivery Receipts	XEP-0184		Extension for message delivery receipts. The sender can request notification that the message has been * delivered.
Blocking Command	XEP-0191	{@link org.jivesoftware.smackx.blocking.BlockingCommandManager}	Communications blocking that is intended to be simpler than privacy lists (XEP-0016).
Stream Management	XEP-0198		Allows active management of an XML Stream between two XMPP entities (stanza acknowledgement, stream * resumption).
XMPP Ping	XEP-0199		Sending application-level pings over XML streams.
Entity Time	XEP-0202		Allows entities to communicate their local time
Delayed Delivery	XEP-0203		Extension for communicating the fact that an XML stanza has been delivered with a delay.
XMPP Over BOSH	XEP-0206		Use Bidirectional-streams Over Synchronous HTTP (BOSH) to transport XMPP stanzas.
Data Forms Media Element	XEP-0221		Allows to include media data in XEP-0004 data forms.
Attention	XEP-0224		Getting attention of another user.
Bits of Binary	XEP-0231		Including or referring to small bits of binary data in an XML stanza.
Software Information	XEP-0232		Allows an entity to provide detailed data about itself in Service Discovery responses.
Roster Versioning	XEP-0237		Efficient roster synchronization.
Direct MUC Invitations	XEP-0249		Allows sending a MUC invitation directly from the user to the contact with mediation by the room.
Jingle Content Thumbnails	XEP-0264	{@link org.jivesoftware.smackx.thumbnails.element}	Defines a way for a client to supply a preview image for Jingle content.
Message Carbons	XEP-0280	{@link org.jivesoftware.smackx.carbons}	Keep all IM clients for a user engaged in a conversation, by carbon-copy outbound messages to all interested * resources.
Best Practices for Resource Locking	XEP-0296		Specifies best practices to be followed by Jabber/XMPP clients about when to lock into, and unlock away from, * resources.
Stanza Forwarding	XEP-0297		Allows forwarding of Stanzas.
Last Message Correction	XEP-0308		Provides a method for indicating that a message is a correction of the last sent message.
Message Archive Management	XEP-0313		Query and control an archive of messages stored on a server.
Data Forms XML Element	XEP-0315		Allows to include XML-data in XEP-0004 data forms.
Last User Interaction in Presence	XEP-0319		Communicate time of last user interaction via XMPP presence notifications.
Internet of Things - Sensor Data	XEP-0323		Sensor data interchange over XMPP.
Internet of Things - Provisioning	XEP-0324		Provisioning, access rights and user privileges for the Internet of Things.
Internet of Things - Control	XEP-0325		Describes how to control devices or actuators in an XMPP-based sensor network.
Jid Prep	XEP-0328		Describes a way for an XMPP client to request an XMPP server to prep and normalize a given JID.
HTTP over XMPP transport	XEP-0332	{@link org.jivesoftware.smackx.hoxt}	Allows to transport HTTP communication over XMPP peer-to-peer networks.
Chat Markers	XEP-0333		A solution of marking the last received, displayed and acknowledged message in a chat.
Message Processing Hints	XEP-0334		Hints to entities routing or receiving a message.
JSON Containers	XEP-0335		Encapsulation of JSON data within XMPP Stanzas.
Internet of Things - Discovery	XEP-0347		Describes how Things can be installed and discovered by their owners.
Data Forms Geolocation Element	XEP-0350		Allows to include XEP-0080 geolocation data in XEP-0004 data forms.
Client State Indication	XEP-0352		A way for the client to indicate its active/inactive state.
Push Notifications	XEP-0357		Defines a way to manage push notifications from an XMPP Server.
Stable and Unique Stanza IDs	XEP-0359		This specification describes unique and stable IDs for messages.
Nonzas	XEP-0360	{@link org.jivesoftware.smack.packet.Nonza}	Defines the term “Nonza”, describing every top level stream element that is not a Stanza.
HTTP File Upload	XEP-0363		Protocol to request permissions to upload a file to an HTTP server and get a shareable URL.
References	XEP-0372		Add references like mentions or external data to stanzas.
Explicit Message Encryption	XEP-0380		Mark a message as explicitly encrypted.
OpenPGP for XMPP	XEP-0373		Utilize OpenPGP to exchange encrypted and signed content.
OpenPGP for XMPP: Instant Messaging	XEP-0374		OpenPGP encrypted Instant Messaging.
Spoiler Messages	XEP-0382		Indicate that the body of a message should be treated as a spoiler.
OMEMO Multi End Message and Object Encryption	XEP-0384		Encrypt messages using OMEMO encryption (currently only with smack-omemo-signal -> GPLv3).
Consistent Color Generation	XEP-0392	{@link org.jivesoftware.smackx.colors.ConsistentColor}	Generate consistent colors for identifiers like usernames to provide a consistent user experience.
Message Markup	XEP-0394	{@link org.jivesoftware.smackx.message_markup.element}	Style message bodies while keeping body and markup information separated.
DNS Queries over XMPP (DoX)	XEP-0418		Send DNS queries and responses over XMPP.
Stanza Content Encryption	XEP-0420		End-to-end encryption of arbitrary extension elements. Smack provides elements and providers to be used by * encryption mechanisms.
Message Fastening	XEP-0422		Mark payloads on a message to be logistically fastened to a previous message.
Message Retraction	XEP-0424		Mark messages as retracted.
Fallback Indication	XEP-0428		Declare body elements of a message as ignorable fallback for naive legacy clients.
File metadata element	XEP-0446	{@link org.jivesoftware.smackx.file_metadata.element}	Defines a generic file metadata element to be used in other specifications.
Google GCM JSON payload			Semantically the same as XEP-0335: JSON Containers.
Multi-User Chat Light	XEP-MUCLIGHT		Multi-User Chats for mobile XMPP applications and specific environment.
Jive Properties			TODO