enum:
                          - INVALID
                          - MERGE
                          - ADD
                          - REMOVE
                          - INSERT_BEFORE
                          - INSERT_AFTER
                          - INSERT_FIRST
                          - REPLACE

   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.filter(type::isInstance).map(type::cast)}.
   * This does perform a little more work than necessary, so another option is to insert an
   * unchecked cast at some later point:
   *
   * <pre>
   * {@code @SuppressWarnings("unchecked") // safe because of ::isInstance check
   * ImmutableList<NewType> result =

       */
      String key = (String) requireNonNull(e.nextElement());
      /*
       * requireNonNull is safe because the key came from propertyNames...
       *
       * ...except that it's possible for users to insert a string key with a non-string value, and
       * in that case, getProperty *will* return null.
       *
       * TODO(b/192002623): Handle that case: Either:
       *

import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableSet;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;
import static junit.framework.Assert.fail;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Ordering;

    return lock.withLock(action)
  }

  inline fun <T> Http2Writer.withLock(action: () -> T): T {
    contract { callsInPlace(action, InvocationKind.EXACTLY_ONCE) }

    // TODO can we assert we don't have the connection lock?

    return lock.withLock(action)
  }

/libraries/tools/kotlin-osgi-bundle/ "Kotlin Build Tools"
/libraries/tools/kotlin-noarg/ "Kotlin Build Tools"
/libraries/tools/kotlin-prepush-hook/ "Kotlin Build Infrastructure"
/libraries/tools/kotlin-power-assert/ "Kotlin Build Tools"
/libraries/tools/kotlin-sam-with-receiver/ "Kotlin Build Tools"
/libraries/tools/kotlin-serialization/ "Kotlin Build Tools"
/libraries/tools/kotlin-serialization-unshaded/ "Kotlin Build Tools"

      - name: error-strings
      - name: error-naming
      - name: increment-decrement
      - name: var-naming
      - name: package-comments
      - name: range
      - name: receiver-naming
      - name: indent-error-flow
      - name: superfluous-else
      - name: modifies-parameter
      - name: unreachable-code
      - name: struct-tag
      - name: constant-logical-expr
      - name: bool-literal-in-expr

   * If your task does anything heavier consider, just using a listener with an executor.
   *
   * @since 20.0
   */
  @ForOverride
  protected void afterDone() {}

  // TODO(b/114236866): Inherit doc from InternalFutureFailureAccess. Also, -link to its URL.
  /**
   * Usually returns {@code null} but, if this {@code Future} has failed, may <i>optionally</i>

github.com/alecholmes/xfccparser v0.3.0 h1:SI/zhgFw+CsoHnR2VXcbVg/9gij6T/ENT+1yqBOeLNA=
github.com/alecholmes/xfccparser v0.3.0/go.mod h1:J9fzzUOtjw74IwNdGVbjnOVj1UDlwGQj1zZzgQRlRDY=
github.com/alecthomas/assert/v2 v2.3.0 h1:mAsH2wmvjsuvyBvAmCtm7zFsBlb8mIHx5ySLVdDZXL0=
github.com/alecthomas/assert/v2 v2.3.0/go.mod h1:pXcQ2Asjp247dahGEmsZ6ru0UVwnkhktn7S0bBDLxvQ=
github.com/alecthomas/participle/v2 v2.1.0 h1:z7dElHRrOEEq45F2TG5cbQihMtNTv8vwldytDj7Wrz4=