@SuppressWarnings("unused")
    default Path writeFile(Path path, String fileContentsText) {
        return writeFile(path, new StringReader(fileContentsText));
    }
Adds a UTF-8 encoded file to the result.

<p>This method will write the contents of a string to a file.

@param path Relative path to the file to create.
@param fileContentsText String value to write to the file.
@return Returns the resolved path.
smithy-build/src/main/java/software/amazon/smithy/build/FileManifest.java