openiddict-documentation/guide/toc.html

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                <li>
                    <a href="index.html" name="" title="Introduction">Introduction</a>
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                    <a href="getting-started.html" name="" title="Getting started">Getting started</a>
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                    <a>Migration guides</a>
                    
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                              <a href="migration/20-to-30.html" name="" title="Migration from 2.0 to 3.0">Migration from 2.0 to 3.0</a>
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                    <a>External resources</a>
                    
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                              <a href="https://tools.ietf.org/html/rfc6749" name="" title="OAuth 2.0 specification">OAuth 2.0 specification</a>
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                              <a href="https://openid.net/specs/openid-connect-core-1_0.html" name="" title="OpenID Connect specification">OpenID Connect specification</a>
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