@Override
  public boolean supports(Class<?> authentication) {
    return authentication.equals(UsernamePasswordAuthenticationToken.class);
  }
Spring security AuthenticationProvider for GemFire. It connects to gemfire manager using given
credentials. Successful connect is treated as successful authentication and web user is
authenticated

@since GemFire version 9.0
geode-pulse/src/main/java/org/apache/geode/tools/pulse/internal/security/GemFireAuthenticationProvider.java