<div class="platform-hinted " data-platform-hinted="data-platform-hinted"><div class="content sourceset-dependent-content" data-active="" data-togglable=":/main"><div class="symbol monospace"><span class="token keyword">val </span><a href="progress-token.html">progressToken</a><span class="token operator">: </span><a href="../-progress-token/index.html">ProgressToken</a><span class="clearfix"><span class="floating-right">(<a href="https://github.com/modelcontextprotocol/kotlin-sdk/io/modelcontextprotocol/ko