importStatements method
Return import statement for all non-standard types.
Implementation
Set<String> importStatements(Set<AbstractType> types) {
types
..removeWhere((type) => type is StandardType)
..removeWhere((type) => type.className == className);
return types
.map((e) => e.className.snakeCase)
.map((e) =>
"import '${e}_dataclass.dart';\nimport '${e}_extensions.dart';\n")
.toSet();
}