// registers for the asynchronously stopped
			// parent frame. Scan the parent
			// conservatively.
			state.conservative = true
		} else {
			// We only wanted to scan those two frames
			// conservatively. Clear the flag for future
			// frames.
			state.conservative = false
		}
		return
	}

	locals, args, objs := frame.getStackMap(false)

	// freeIndexForScan now so x is seen by the GC
	// (including conservative scan) as an allocated object.
	// While this pointer can't escape into user code as a
	// _live_ pointer until we return, conservative scanning
	// may find a dead pointer that happens to point into this
	// object. Delaying this update until now ensures that
	// conservative scanning considers this pointer dead until
	// this point.

	backgroundTime atomic.Int64
}

const (
	// It doesn't really matter what value we start at, but we can't be zero, because
	// that'll cause divide-by-zero issues. Pick something conservative which we'll
	// also use as a fallback.
	startingScavSleepRatio = 0.001

	// Spend at least 1 ms scavenging, otherwise the corresponding
	// sleep time to maintain our desired utilization is too low to

		}
		// We can't figure out the type. Conservative
		// approach is to assume it has a pointer.
		return true
	case *ast.SelectorExpr:
		if l, ok := t.X.(*ast.Ident); !ok || l.Name != "C" {
			// Type defined in a different package.
			// Conservative approach is to assume it has a
			// pointer.
			return true
		}
		if f == nil {
			// Conservative approach: assume pointer.
			return true
		}

        // XLA does not support Const nodes of Variant type since it needs
        // to know the original ops to be able to compile them to the relevant
        // XLA form.
        // TODO(srbs): This filter is a little conservative. E.g. a subgraph of
        // the form:
        //                          Const
        //                            |
        // EmptyTensorList -> TensorListPushBack -> TensorListPopBack -> Op

   *     List.class.getMethod("get", int.class).getGenericReturnType())
   * => String.class
   * }</pre>
   */
  public final TypeToken<?> resolveType(Type type) {
    checkNotNull(type);
    // Being conservative here because the user could use resolveType() to resolve a type in an
    // invariant context.
    return of(getInvariantTypeResolver().resolveType(type));
  }

  private TypeToken<?> resolveSupertype(Type type) {

   *     List.class.getMethod("get", int.class).getGenericReturnType())
   * => String.class
   * }</pre>
   */
  public final TypeToken<?> resolveType(Type type) {
    checkNotNull(type);
    // Being conservative here because the user could use resolveType() to resolve a type in an
    // invariant context.
    return of(getInvariantTypeResolver().resolveType(type));
  }

  private TypeToken<?> resolveSupertype(Type type) {

		// This is the documented way to disable http2 on a
		// Transport.
		return
	}
	if !t.ForceAttemptHTTP2 && (t.TLSClientConfig != nil || t.Dial != nil || t.DialContext != nil || t.hasCustomTLSDialer()) {
		// Be conservative and don't automatically enable
		// http2 if they've specified a custom TLS config or
		// custom dialers. Let them opt-in themselves via
		// http2.ConfigureTransport so we don't surprise them

      rewriter.replaceOp(identity, identity.getInput());
      return success();
    }
    // Replace the op with the input if output is only used by TF ops.
    // Currently this is more on the conservative side since we need to ensure
    // every consumer op to be a TF op before applying this pattern. We can
    // consider to revisit this in the future if this turns out to be too
    // restrictive.

			// allocate it after all the input registers, but before
			// the input registers are freed via advanceUses below.
			// (Not all instructions need that distinct part, but it is conservative.)
			if opcodeTable[v.Op].needIntTemp {
				m := s.allocatable & s.f.Config.gpRegMask
				if m&^desired.avoid&^s.nospill != 0 {
					m &^= desired.avoid
				}
				tmpReg = s.allocReg(m, &tmpVal)