const primitiveBoolean = true ; const primitiveBooleanLiteral = false ; const primitiveNumeric = 0 ; const primitiveNumericLiteral = 1 ; const primitiveNumericLiteralNegative = - 5 ; const primitiveNumericLiteralFloat = 3.14 ; const primitiveNull = null ; const primitiveString = "string" ; const primitiveStringLiteral = "literal" ;