Converts a formatted string into string interpolation. Interpolated strings are much easier to read than formatted strings.
Available when the cursor is on a composed string expression (as shown in the code below) or on the call of one of the following methods, assuming the method argument contains formatted string.
Place the caret on a composed string expression.
The blinking cursor shows the caret's position at which the Refactoring is available.
After execution, Refactoring replaces the composed string to the interpolated string.
This feature is available as a part of Code Cleanup.