diff --git a/Sources/StructuredData.swift b/Sources/StructuredData.swift
index 6677361..1420591 100644
--- a/Sources/StructuredData.swift
+++ b/Sources/StructuredData.swift
@@ -2,10 +2,20 @@ public protocol StructuredDataInitializable {
     init(structuredData: StructuredData) throws
 }
 
-public protocol StructuredDataRepresentable {
+public protocol StructuredDataRepresentable: StructuredDataFallibleRepresentable {
     var structuredData: StructuredData { get }
 }
 
+public protocol StructuredDataFallibleRepresentable {
+    func asStructuredData() throws -> StructuredData
+}
+
+extension StructuredDataRepresentable {
+    public func asStructuredData() throws -> StructuredData {
+        return structuredData
+    }
+}
+
 public protocol StructuredDataConvertible: StructuredDataInitializable, StructuredDataRepresentable {}
 
 public enum StructuredData {