@Override
        public <R, C> R accept(Visitor<R, C> v, C context) {
            return v.visit(this, context);
        }
{@code FactoryExpressionAdapter} provides an adapter implementation of the {@link FactoryExpression} interface

@param <T>
querydsl-core/src/main/java/com/querydsl/core/types/FactoryExpressionUtils.java