// Determine if we have a complete source file (file != nil).
	var file *ast.File
	var cnode *printer.CommentedNode
	switch n := node.(type) {
	case *ast.File:
		file = n
	case *printer.CommentedNode:
		if f, ok := n.Node.(*ast.File); ok {
			file = f
			cnode = n
		}
	}

	// Sort imports if necessary.
	if file != nil && hasUnsortedImports(file) {

		valid := true
		switch mode := finfo.flags & fMode; mode {
		case 0:
			finfo.flags |= fElement
		case fAttr, fCDATA, fCharData, fInnerXML, fComment, fAny, fAny | fAttr:
			if f.Name == xmlName || tag != "" && mode != fAttr {
				valid = false
			}
		default:
			// This will also catch multiple modes in a single field.
			valid = false
		}
		if finfo.flags&fMode == fAny {
			finfo.flags |= fElement
		}

  /**
   * Returns {@code x}, rounded to a {@code double} with the specified rounding mode. If {@code x}
   * is precisely representable as a {@code double}, its {@code double} value will be returned;
   * otherwise, the rounding will choose between the two nearest representable values with {@code
   * mode}.
   *
   * <p>For the case of {@link RoundingMode#HALF_DOWN}, {@code HALF_UP}, and {@code HALF_EVEN},

  }

  /**
   * Returns {@code x}, rounded to a {@code double} with the specified rounding mode. If {@code x}
   * is precisely representable as a {@code double}, its {@code double} value will be returned;
   * otherwise, the rounding will choose between the two nearest representable values with {@code
   * mode}.
   *
   * <p>For the case of {@link RoundingMode#HALF_DOWN}, {@code HALF_UP}, and {@code HALF_EVEN},

   *   <li>If {@code tolerance} is zero, and neither {@code a} nor {@code b} is NaN, then {@code a}
   *       and {@code b} are fuzzily equal if and only if {@code a == b}.
   *   <li>With {@link Double#POSITIVE_INFINITY} tolerance, all non-NaN values are fuzzily equal.
   *   <li>With finite tolerance, {@code Double.POSITIVE_INFINITY} and {@code

   *   <li>If {@code tolerance} is zero, and neither {@code a} nor {@code b} is NaN, then {@code a}
   *       and {@code b} are fuzzily equal if and only if {@code a == b}.
   *   <li>With {@link Double#POSITIVE_INFINITY} tolerance, all non-NaN values are fuzzily equal.
   *   <li>With finite tolerance, {@code Double.POSITIVE_INFINITY} and {@code

 * <p>
 * Requires the <code>prepareKotlinBuildScriptModel</code> task to be executed before building the model.
 * See {@link KotlinDslModelsParameters#PREPARATION_TASK_NAME}
 * <p>
 * The set of scripts can be provided as a Gradle property named <code>org.gradle.kotlin.dsl.provider.scripts</code>,
 * as a list of absolute paths separated by <code>|</code>.

  /**
   * Returns {@code x}, rounded to a {@code double} with the specified rounding mode. If {@code x}
   * is precisely representable as a {@code double}, its {@code double} value will be returned;
   * otherwise, the rounding will choose between the two nearest representable values with {@code
   * mode}.
   *
   * <p>For the case of {@link RoundingMode#HALF_DOWN}, {@code HALF_UP}, and {@code HALF_EVEN},

  }

  /**
   * Returns {@code x}, rounded to a {@code double} with the specified rounding mode. If {@code x}
   * is precisely representable as a {@code double}, its {@code double} value will be returned;
   * otherwise, the rounding will choose between the two nearest representable values with {@code
   * mode}.
   *
   * <p>For the case of {@link RoundingMode#HALF_DOWN}, {@code HALF_UP}, and {@code HALF_EVEN},

		if traceInference {
			u.tracef("%s ≡ %s\t// swap", y, x)
		}
		x, y = y, x
	}

	// Type elements (array, slice, etc. elements) use emode for unification.
	// Element types must match exactly if the types are used in an assignment.
	emode := mode
	if mode&assign != 0 {
		emode |= exact
	}

	// Continue with unaliased types but don't lose original alias names, if any (go.dev/issue/67628).
	xorig, x := x, Unalias(x)