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You can write class name without import statements, when editor shows you that then editor will highlight this reference is unresolved, you can just press as unresolved. Press Alt+Enter , and plugin to insert essential appropriate import statement automatically.
Options for this feature:

To adjust auto-imports for Scala, look at File -> Settings -> Code Style -> Scala -> Imports

Scala language gives you flexible ways to use import statements. You can import not full qualified name or use import statemnt in any code block. Also you can collect few imports in one import statemet without using placeholder. All of these Scala language features we tried to reflect in plugin:

  • As result of auto-import feature, shortest qualified name used for new import statement (you may choose option to use full qualified name). If any short or full qualified name can't be inserted, root qualifier is being added automatically.
    titleBe Careful

    This can produce bugs in plugin. With using placeholder, you automatically import packages. So inserted import can be hided, it can be rare case, but must be fixedhidden.

  • All import statements from one package collected in one statement automatically. If classes from one peckage package exceed option, which you set, it replaced by placeholder. You can remove option to stop collecting imports
  • If class name have only one candidate for importing, it can be imported on the fly, without pressing Alt+Enter. You need to To activate this feature, choose appropriate option.
  • You can choose option to insert import statemnts statements not only in file header . Local imports can be usefulto use local imports.