void (@NotNull ASTNode child) { if (getChildRole(child) == ChildRole.QUALIFIER) { ASTNode dot = findChildByType(JavaTokenType.DOT, child); assert dot != null : this; deleteChildRange(child.getPsi(), dot.getPsi()); ASTNode first = getFirstChildNode(); if (getChildRole(first) == ChildRole.REFERENCE_PARAMETER_LIST && first.getFirstChildNode() == null) { ASTNode start = first.getTreeNext(); if (PsiImplUtil.isWhitespaceOrComment(start)) { ASTNode next = PsiImplUtil.skipWhitespaceAndComments(start); assert next != null : this; CodeEditUtil.removeChildren(this, start, next.getTreePrev()); } } } else if (child.getElementType() == JavaElementType.REFERENCE_PARAMETER_LIST) { replaceChildInternal(child, createEmptyRefParameterList(getProject())); } else { super.deleteChildInternal(child); } }