AdaptParameter1.ts

// After steps 1 and 2

class Library {
    private readonly display: Display;

    constructor(display: Display) {
        this.display = display;
    }

    printBooks(books: Book[], inputReader: AcmeInputReader): void {
        const libraryData = new LibraryData(inputReader); // <- new wrapper
        const libraryName = this.getLibraryName(inputReader); // <- new method
        this.display.show(libraryName);
        for (const book of books) {
            this.display.show(book.getName());
        }
    }

    private getLibraryName(inputReader: AcmeInputReader): string
    {
        return inputReader.readLine();
    }
}

// wrapper
class LibraryData
{
    private readonly inputReader: AcmeInputReader;

    constructor(inputReader: AcmeInputReader)
    {
        this.inputReader = inputReader;
    }
}