1 files changed, 12 insertions, 0 deletions
diff --git a/llparse-builder/src/transform/base.ts b/llparse-builder/src/transform/base.ts
new file mode 100644
index 0000000..902199c
--- /dev/null
+++ b/llparse-builder/src/transform/base.ts
@@ -0,0 +1,12 @@
+export type TransformName = 'to_lower_unsafe' | 'to_lower';
+
+/**
+ * Character transformation.
+ */
+export abstract class Transform {
+  /**
+   * @param name  Transform name
+   */
+  constructor(public readonly name: TransformName) {
+  }
+}