Port SMPP definitions: constants, errors, encodings and wire types

eslint.config.js

@@ -15,10 +15,20 @@ export default tseslint.config(
 		},
 		rules: {
 			'@typescript-eslint/consistent-type-definitions': ['error', 'type'],
+			'@typescript-eslint/no-floating-promises': ['error', {
+				allowForKnownSafeCalls: [
+					{ from: 'package', name: ['describe', 'it', 'test'], package: 'node:test' },
+				],
+			}],
 			'@typescript-eslint/no-non-null-assertion': 'error',
 			'no-console': 'error',
 		},
 	},
+	{
+		// ESC (0x1B) is the GSM 03.38 escape character, so it belongs in these patterns.
+		files: ['src/defs/encodings.ts'],
+		rules: { 'no-control-regex': 'off' },
+	},
 	{
 		files: ['eslint.config.js'],
 		extends: [tseslint.configs.disableTypeChecked],