import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertThrows;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.timeout;
import static org.mockito.Mockito.verify;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

        assertTrue(tag.toString().contains("css=new-class"));
        assertTrue(tag.toString().contains("attrName=role"));
        assertTrue(tag.toString().contains("attrValue=link"));
    }

    // Mock implementation of Node for testing without external dependencies
    private static class MockNode implements Node {
        private final String nodeName;
        private final Map<String, MockNode> attributes = new HashMap<>();

	d.depth++
	if d.maxDepth > 0 && d.depth > d.maxDepth {
		return nil, ErrMaxDepth
	}

	var (
		c     byte
		v     any
		err   error
		array = make([]any, 0)
	)

	// look ahead for ] - if the array is empty.
	if c = d.skipSpaces(); c == ']' {
		goto out
	}

scan:
	if v, err = d.emitAny(); err != nil {
		goto out
	}

# First Steps { #first-steps }

The simplest FastAPI file could look like this:

{* ../../docs_src/first_steps/tutorial001_py310.py *}

Copy that to a file `main.py`.

Run the live server:

<div class="termy">

```console
$ <font color="#4E9A06">fastapi</font> dev

  <span style="background-color:#009485"><font color="#D3D7CF"> FastAPI </font></span>  Starting development server 🚀

  }

  @IgnoreJRERequirement // used only from APIs that use streams
  /*
   * We declare this as package-private, rather than private, to avoid generating a synthetic
   * accessor method (under -target 8) that would lack the Android flavor's @IgnoreJRERequirement.
   */
  Spliterator.OfLong spliterator() {
    return Spliterators.spliterator(array, start, end, Spliterator.IMMUTABLE | Spliterator.ORDERED);
  }

  /**

 * Attempts to {@code put} an element into a full queue will result in the operation blocking;
 * attempts to {@code take} an element from an empty queue will similarly block.
 *
 * <p>This class supports an optional fairness policy for ordering waiting producer and consumer
 * threads. By default, this ordering is not guaranteed. However, a queue constructed with fairness

   * BiMap<Long, String> map = Maps.synchronizedBiMap(HashBiMap.create());
   * ...
   * Set<Long> set = map.keySet(); // Needn't be in synchronized block
   * ...
   * synchronized (map) { // Synchronizing on map, not set!
   *   Iterator<Long> it = set.iterator(); // Must be in synchronized block
   *   while (it.hasNext()) {
   *     foo(it.next());
   *   }
   * }
   * }
   *

   * BiMap<Long, String> map = Maps.synchronizedBiMap(HashBiMap.create());
   * ...
   * Set<Long> set = map.keySet(); // Needn't be in synchronized block
   * ...
   * synchronized (map) { // Synchronizing on map, not set!
   *   Iterator<Long> it = set.iterator(); // Must be in synchronized block
   *   while (it.hasNext()) {
   *     foo(it.next());
   *   }
   * }
   * }
   *

        testClient.aliasCount = 2;

        final boolean result = testClient.reindexConfigIndices(false, allTargetPrefixes());

        assertTrue(result);
        // With loadBulkData=false, the bulk data loading block is skipped entirely
        assertEquals(0, testClient.insertBulkDataCalls.size());
    }

    // ==========================================================================
    // reindexConfigIndices - index filtering

   * GWT SortedMap implementation that we delegate to throws
   * NullPointerException if the comparator does. Since our construction
   * methods ensure that null is never present in the map, it's OK for the
   * comparator to look for it wherever it wants.
   *
   * Note that we do NOT touch the comparator returned by comparator(), which
   * should be identical to the one the user passed in. We touch only the