public static extern CXString clang_getCompletionBriefComment(
     CXCompletionStringImpl *completion_string);
 public static extern CXString clang_getCompletionAnnotation(
     CXCompletionStringImpl *completion_string,
     uint annotation_number);
 public static extern CXString clang_getCompletionParent(
     CXCompletionStringImpl *completion_string,
     CXCursorKind *kind);
 public static extern uint clang_getCompletionNumAnnotations(
     CXCompletionStringImpl *completion_string);
 public static extern CXAvailabilityKind clang_getCompletionAvailability(
     CXCompletionStringImpl *completion_string);
 public static extern uint clang_getCompletionPriority(
     CXCompletionStringImpl *completion_string);
 public static extern uint clang_getNumCompletionChunks(
     CXCompletionStringImpl *completion_string);
 public static extern CXCompletionStringImpl *clang_getCompletionChunkCompletionString(
     CXCompletionStringImpl *completion_string,
     uint chunk_number);