5 files changed, 29 insertions, 0 deletions
diff --git a/llparse-frontend/src/transform/base.ts b/llparse-frontend/src/transform/base.ts
new file mode 100644
index 0000000..5397326
--- /dev/null
+++ b/llparse-frontend/src/transform/base.ts
@@ -0,0 +1,4 @@
+export abstract class Transform {
+  constructor(public readonly name: string) {
+  }
+}
diff --git a/llparse-frontend/src/transform/id.ts b/llparse-frontend/src/transform/id.ts
new file mode 100644
index 0000000..d86e3c1
--- /dev/null
+++ b/llparse-frontend/src/transform/id.ts
@@ -0,0 +1,7 @@
+import { Transform } from './base';
+
+export class ID extends Transform {
+  constructor() {
+    super('id');
+  }
+}
diff --git a/llparse-frontend/src/transform/index.ts b/llparse-frontend/src/transform/index.ts
new file mode 100644
index 0000000..f103b3b
--- /dev/null
+++ b/llparse-frontend/src/transform/index.ts
@@ -0,0 +1,4 @@
+export * from './base';
+export * from './id';
+export * from './to-lower';
+export * from './to-lower-unsafe';
diff --git a/llparse-frontend/src/transform/to-lower-unsafe.ts b/llparse-frontend/src/transform/to-lower-unsafe.ts
new file mode 100644
index 0000000..99d9618
--- /dev/null
+++ b/llparse-frontend/src/transform/to-lower-unsafe.ts
@@ -0,0 +1,7 @@
+import { Transform } from './base';
+
+export class ToLowerUnsafe extends Transform {
+  constructor() {
+    super('to_lower_unsafe');
+  }
+}
diff --git a/llparse-frontend/src/transform/to-lower.ts b/llparse-frontend/src/transform/to-lower.ts
new file mode 100644
index 0000000..b333fce
--- /dev/null
+++ b/llparse-frontend/src/transform/to-lower.ts
@@ -0,0 +1,7 @@
+import { Transform } from './base';
+
+export class ToLower extends Transform {
+  constructor() {
+    super('to_lower');
+  }
+}