SysML-1.6: The provided/required Interfaces indicated in the spec version of D.19 for 'connector c1 in Figure D.19.' are not defined on the corresponding Block in Figure D.20 (known issue)
MagicDraw: Has an additional tool-specific notation and feature sometimes called "ball-and-socket dependency wiring" for use with provided and required Interfaces in Class Diagrams and some other definition-level diagrams.
Required/Provided Interface notation: Ball-and-Socket "dependency wiring" [tool specific] Gallery Tutorial TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo Section 01:02: UML 101 for model-based systems engineering with SysML Slide kind UML Class Diagram
A given BehavioredClassifier may implement more than one Interface and that an Interface may be implemented by a number of different BehavioredClassifiers. Source Unified Modeling Language 2.5.1
The set of Interfaces realized by a BehavioredClassifier are its provided Interfaces, which represent the services and obligations that instances of that BehavioredClassifier offer to their clients. Source Unified Modeling Language 2.5.1
BehavioredClassifier and provided and required Interfaces Gallery Tutorial TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo Section 01:02: UML 101 for model-based systems engineering with SysML Slide kind UML Class Diagram
