Encapsulates the value property concept, which appears informally throughout the SysML1.0 specification, especially in Chapters 08.Blocks and 10.Constraints.
SysML1.0:
A property typed by a UML DataType or SysML ValueType is classified as a value property.
Value properties may be shown in a block definition compartment with the label “values” (in MD SysML use option Sort SysML style).
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