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UndefinedInstant
UndefinedInstant
Placeholder class when time values cannot be provided
http://www.railsystemmodel.org/schemas/Common/UndefinedInstant
UndefinedInstant
Placeholder class when time values cannot be provided
http://www.railsystemmodel.org/schemas/Common/UndefinedInstant
comment
Placeholder class when time values cannot be provided
http://www.w3.org/2001/XMLSchema#string
subClassOf
TemporalEntity