Fix multiple occurrences of the same problem at the same time. Show Intention Actions ⌥⏎ (macOS) / Alt+Enter (Windows/Linux) and click the kebab menu (three dots) to the right of a suggestion, or press the → (macOS) / Right Arrow (Windows/Linux) and select "Fix all <> problems in file" to apply that suggestion to all occurrences of the same problem in the file.