Rename BoundPiece -> TypeParameterBoundPiece.

Author: munificent

lib/src/front_end/ast_node_visitor.dart

@@ -10,14 +10,14 @@ import '../ast_extensions.dart';
 import '../constants.dart';
 import '../dart_formatter.dart';
 import '../piece/assign.dart';
-import '../piece/bound.dart';
 import '../piece/case.dart';
 import '../piece/constructor.dart';
 import '../piece/control_flow.dart';
 import '../piece/infix.dart';
 import '../piece/list.dart';
 import '../piece/piece.dart';
 import '../piece/type.dart';
+import '../piece/type_parameter_bound.dart';
 import '../piece/variable.dart';
 import '../profile.dart';
 import '../source_code.dart';
@@ -1852,7 +1852,7 @@ final class AstNodeVisitor extends ThrowingAstVisitor<void> with PieceFactory {
           pieces.visit(bound);
         });
 
-        pieces.add(BoundPiece(typeParameterPiece, boundPiece));
+        pieces.add(TypeParameterBoundPiece(typeParameterPiece, boundPiece));
       } else {
         // No bound.
         pieces.token(node.name);

lib/src/piece/bound.dart renamed to lib/src/piece/type_parameter_bound.dart

@@ -10,7 +10,7 @@ import 'piece.dart';
 /// Handles not splitting before `extends` if we can split inside the bound's
 /// own type arguments, or splitting before `extends` if that isn't enough to
 /// get it to fit.
-final class BoundPiece extends Piece {
+final class TypeParameterBoundPiece extends Piece {
   /// Split inside the type arguments of the bound, but not at `extends`, as in:
   ///
   ///     class C<
@@ -35,7 +35,7 @@ final class BoundPiece extends Piece {
   /// The bound with the preceding `extends` keyword.
   final Piece _bound;
 
-  BoundPiece(this._typeParameter, this._bound);
+  TypeParameterBoundPiece(this._typeParameter, this._bound);
 
   @override
   List<State> get additionalStates => const [_insideBound, _beforeExtends];