Press⌃⇧␣ (macOS) / Ctrl+Shift+Space (Windows/Linux) to invoke smart completion. If the type can be determined then the list of suggestions will be filtered to the correct type.

Here are some places you can use it:

• In the right part of assignment statements
• In variable initializers
• In return statements
• In the list of arguments of a method call
• After the new keyword in an object declaration
• In chained expressions