Optional
row: AttributeRowOptional
blobOptional
dateOptional
dateOptional
isOptional
isOptional
utcProtected
beccaStatic
entityStatic
hashedStatic
primaryProtected
_getProtected
_setOptional
isInheritable: booleanProtected
getProtected
put
Attribute is an abstract concept which has two real uses - label (key - value pair) and relation (representing named relationship between source and target note)