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Can you add hollow arrow in UML Sequence diagrams to represent the asynchronous message? · Issue #1528 · mermaid-js/mermaid · GitHub
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UML sequence diagrams overview of graphical notation - lifeline, message, execution specification, interaction use, etc.
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uml - Is it a must to have a reply message for synchronous message in sequence diagrams - Stack Overflow
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Sequence diagram of the location-based messaging implementation without... | Download Scientific Diagram
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multithreading - Representing multiple asynchronous threads in UML Interaction diagram - Stack Overflow
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