.apply(InfixOperator.EQUALS, Models.toLiteral(f, false))
.toExpression();
this.getMasterExpression = new ExpressionBuilder(f, lookup)
.method("get", Models.toLiteral(f, 0))
.toExpression();
this.getCheckedMasterExpression = f.newConditionalExpression(
new ExpressionBuilder(f, lookup)
.method("isEmpty")
.toExpression(),
Models.toNullLiteral(f),
getMasterExpression);