CharSequence (@NotNull CharSequence whiteSpaceText, int startOffset, int endOffset, ASTNode nodeAfter, boolean changedViaPsi) { if (!changedViaPsi) { return myWhiteSpaceStrategy.adjustWhiteSpaceIfNecessary(whiteSpaceText, myDocument.getCharsSequence(), startOffset, endOffset, mySettings, nodeAfter); } final PsiElement element = myFile.findElementAt(startOffset); if (element == null) { return whiteSpaceText; } else { return myWhiteSpaceStrategy.adjustWhiteSpaceIfNecessary(whiteSpaceText, element, startOffset, endOffset, mySettings); } }