diff --git a/Sources/StORM/StORM.swift b/Sources/StORM/StORM.swift
index 8d001d7..877baae 100644
--- a/Sources/StORM/StORM.swift
+++ b/Sources/StORM/StORM.swift
@@ -6,11 +6,36 @@
 //
 //
 
-class StORM {
-	var cursor = StORMCursor()
-	var error = StORMError()
-	var results = StORMResultSet()
-	var connection = StORMConnect()
+open class StORM {
+	//	open var connection		= StORMConnect()     // covariant?
+	//	open var cursor			= StORMCursor()
+	open var results		= StORMResultSet()
+	open var error			= StORMError()
+
+	public init() {}
+
+	// introspection of structure
+	public func cols() -> [String:Any] {
+		var c = [String:Any]()
+
+		let mirror = Mirror(reflecting: self)
+		for child in mirror.children {
+			guard let key = child.label else {
+				continue
+			}
+			c[key] = type(of:child.value)
+		}
+		return c
+	}
+
+
+	public func firstAsKey() -> (String, Any) {
+		let mirror = Mirror(reflecting: self)
+		for case let (label?, value) in mirror.children {
+			return (label, value)
+		}
+		return ("id", "unknown")
+	}
 
 }
 
diff --git a/Sources/StORM/StORMProtocol.swift b/Sources/StORM/StORMProtocol.swift
new file mode 100644
index 0000000..07718b5
--- /dev/null
+++ b/Sources/StORM/StORMProtocol.swift
@@ -0,0 +1,9 @@
+//
+//  StORMProtocol.swift
+//  StORM
+//
+//  Created by Jonathan Guthrie on 2016-09-30.
+//
+//
+
+import Foundation