Structural changes

src/pyrmv/enums/search_mode.py

@@ -0,0 +1,14 @@
+from enum import auto
+from .auto_name import AutoName
+
+class SearchMode(AutoName):
+    """Enumeration used to declare types of HIM search modes."""
+
+    MATCH = auto()
+    "Iterate over all trips to find HIM messages."
+
+    NOMATCH = auto()
+    "Iterate over all HIM messages available."
+
+    TFMATCH = auto()
+    "Uses filters defined `metas` parameter."