clone method
Implementation
@override
Expression<String> clone(Map<String, ExpressionProviderElement> elementMap) {
return ToStringFunctionExpression<T>(
value.clone(elementMap),
);
}
@override
Expression<String> clone(Map<String, ExpressionProviderElement> elementMap) {
return ToStringFunctionExpression<T>(
value.clone(elementMap),
);
}