void (@NotNull CompletionParameters parameters, @NotNull ProcessingContext context, @NotNull CompletionResultSet result) { PsiElement position = parameters.getPosition(); PsiElement prev = PsiTreeUtil.prevVisibleLeaf(position); if (prev != null && hasDtdKeywordCompletion(prev)) { addKeywordCompletions(result.withPrefixMatcher(keywordPrefix(position, result.getPrefixMatcher().getPrefix()))); } if (prev != null && prev.textMatches("%")) { addEntityCompletions(result, position); } }