Add the package to your workspace:
yarn add @rxap/schematics-xml-parser
Install peer dependencies:
yarn add @angular-devkit/core@^18.0.2 @angular-devkit/schematics@^18.0.2 @rxap/schematics-ts-morph@^18.0.1 @rxap/schematics-utilities@^18.0.1 @rxap/xml-parser@^16.0.4 ts-morph@^18.0.0