A constant true or false property which ignores all method calls.
As an alternative, this method creates a BooleanProp which is true if the key exists in the map.
As an alternative, this method creates a BooleanProp which is true if the key exists in the map. This way -Dfoo.bar is enough to be considered true.
A BooleanProp with a liberal truth policy
The java definition of property truth is that the key be in the map and the value be equal to the String "true", case insensitively.
The java definition of property truth is that the key be in the map and the value be equal to the String "true", case insensitively. This method creates a BooleanProp instance which adheres to that definition.
A BooleanProp which acts like java's Boolean.getBoolean