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This section contains some information about the internal nature and architecture of AWS.
This section explains the contract between signals, slots, and sources from a reference standpoint.
A signal source maintains a list of slots. Thus, a source maintains a list of references to each slot connected to it. A slot maintains a list of sinks that it is connected to. The sink manager keeps a list of sinks, and thus also keeps a reference to each sink. Once a sink has been registered it cannot be unregistered. This may be changed in the future, but it is important to remember that a sink can not go away until all slots bound to it go away. The same may be said for slots: a slot cannot go away until the signal source it is connected to disconnects. A slot may be disconnected from a signal source at any time.
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