fix!: rename "lib" directory to "internal"

BREAKING CHANGE: Rename `@material/web/<component>/lib` to `@material/web/<component>/internal`. Prefer not using internal files. PiperOrigin-RevId: 550633216
material-components · Jul 24, 2023 · 6ec3f06 · 6ec3f06
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diff --git a/docs/components/icon.md b/docs/components/icon.md
@@ -146,7 +146,7 @@ Token                               | Default value
 `--md-icon-size`                    | `24px`
 `--md-icon-weight`                  | `400`
 
-*   [All tokens](https://github.com/material-components/material-web/blob/main/icon/lib/_md-comp-icon.scss)
+*   [All tokens](https://github.com/material-components/material-web/blob/main/icon/internal/_md-comp-icon.scss)
     <!-- {.external} -->
 
 ### Example

diff --git a/labs/badge/_badge.scss b/labs/badge/_badge.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/badge' show theme;
+@forward './internal/badge' show theme;
diff --git a/labs/badge/badge.ts b/labs/badge/badge.ts
@@ -6,8 +6,8 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {Badge} from './lib/badge.js';
-import {styles} from './lib/badge-styles.css.js';
+import {Badge} from './internal/badge.js';
+import {styles} from './internal/badge-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/labs/badge/lib/_badge.scss → labs/badge/internal/_badge.scss b/labs/badge/lib/_badge.scss → labs/badge/internal/_badge.scss
diff --git a/labs/badge/lib/badge-styles.scss → labs/badge/internal/badge-styles.scss b/labs/badge/lib/badge-styles.scss → labs/badge/internal/badge-styles.scss
diff --git a/labs/badge/lib/badge.ts → labs/badge/internal/badge.ts b/labs/badge/lib/badge.ts → labs/badge/internal/badge.ts
diff --git a/labs/navigationbar/_navigation-bar.scss b/labs/navigationbar/_navigation-bar.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/navigation-bar' show theme;
+@forward './internal/navigation-bar' show theme;
diff --git a/labs/navigationbar/harness.ts b/labs/navigationbar/harness.ts
@@ -7,7 +7,7 @@
 import {Harness} from '../../testing/harness.js';
 import {NavigationTabHarness} from '../navigationtab/harness.js';
 
-import {NavigationBar} from './lib/navigation-bar.js';
+import {NavigationBar} from './internal/navigation-bar.js';
 
 /**
  * Test harness for navigation bars.

diff --git a/labs/navigationbar/lib/_navigation-bar.scss → ...vigationbar/internal/_navigation-bar.scss b/labs/navigationbar/lib/_navigation-bar.scss → ...vigationbar/internal/_navigation-bar.scss
diff --git a/labs/navigationbar/lib/constants.ts → labs/navigationbar/internal/constants.ts b/labs/navigationbar/lib/constants.ts → labs/navigationbar/internal/constants.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import {NavigationTabState} from '../../navigationtab/lib/state.js';
+import {NavigationTabState} from '../../navigationtab/internal/state.js';
 
 /**
  * MDCNavigationTabInteractionEventDetail provides details for the interaction

diff --git a/...igationbar/lib/navigation-bar-styles.scss → ...onbar/internal/navigation-bar-styles.scss b/...igationbar/lib/navigation-bar-styles.scss → ...onbar/internal/navigation-bar-styles.scss
diff --git a/labs/navigationbar/lib/navigation-bar.ts → .../navigationbar/internal/navigation-bar.ts b/labs/navigationbar/lib/navigation-bar.ts → .../navigationbar/internal/navigation-bar.ts
@@ -12,7 +12,7 @@ import {property, queryAssignedElements} from 'lit/decorators.js';
 import {ARIAMixinStrict} from '../../../internal/aria/aria.js';
 import {requestUpdateOnAriaChange} from '../../../internal/aria/delegate.js';
 import {isRtl} from '../../../internal/controller/is-rtl.js';
-import {NavigationTab} from '../../navigationtab/lib/navigation-tab.js';
+import {NavigationTab} from '../../navigationtab/internal/navigation-tab.js';
 
 import {NavigationTabInteractionEvent} from './constants.js';
 import {NavigationBarState} from './state.js';

diff --git a/labs/navigationbar/lib/state.ts → labs/navigationbar/internal/state.ts b/labs/navigationbar/lib/state.ts → labs/navigationbar/internal/state.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import {NavigationTabState} from '../../navigationtab/lib/state.js';
+import {NavigationTabState} from '../../navigationtab/internal/state.js';
 
 /**
  * The state of a navigation Bar.

diff --git a/labs/navigationbar/navigation-bar.ts b/labs/navigationbar/navigation-bar.ts
@@ -6,8 +6,8 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {NavigationBar} from './lib/navigation-bar.js';
-import {styles} from './lib/navigation-bar-styles.css.js';
+import {NavigationBar} from './internal/navigation-bar.js';
+import {styles} from './internal/navigation-bar-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/labs/navigationdrawer/_navigation-drawer-modal.scss b/labs/navigationdrawer/_navigation-drawer-modal.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/navigation-drawer-modal' show theme;
+@forward './internal/navigation-drawer-modal' show theme;
diff --git a/labs/navigationdrawer/_navigation-drawer.scss b/labs/navigationdrawer/_navigation-drawer.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/navigation-drawer' show theme;
+@forward './internal/navigation-drawer' show theme;
diff --git a/...ndrawer/lib/_navigation-drawer-modal.scss → ...er/internal/_navigation-drawer-modal.scss b/...ndrawer/lib/_navigation-drawer-modal.scss → ...er/internal/_navigation-drawer-modal.scss
diff --git a/...igationdrawer/lib/_navigation-drawer.scss → ...ondrawer/internal/_navigation-drawer.scss b/...igationdrawer/lib/_navigation-drawer.scss → ...ondrawer/internal/_navigation-drawer.scss
diff --git a/labs/navigationdrawer/lib/_shared.scss → labs/navigationdrawer/internal/_shared.scss b/labs/navigationdrawer/lib/_shared.scss → labs/navigationdrawer/internal/_shared.scss
diff --git a/...r/lib/navigation-drawer-modal-styles.scss → ...ernal/navigation-drawer-modal-styles.scss b/...r/lib/navigation-drawer-modal-styles.scss → ...ernal/navigation-drawer-modal-styles.scss
diff --git a/...tiondrawer/lib/navigation-drawer-modal.ts → ...rawer/internal/navigation-drawer-modal.ts b/...tiondrawer/lib/navigation-drawer-modal.ts → ...rawer/internal/navigation-drawer-modal.ts
diff --git a/...ndrawer/lib/navigation-drawer-styles.scss → ...er/internal/navigation-drawer-styles.scss b/...ndrawer/lib/navigation-drawer-styles.scss → ...er/internal/navigation-drawer-styles.scss
diff --git a/...navigationdrawer/lib/navigation-drawer.ts → ...ationdrawer/internal/navigation-drawer.ts b/...navigationdrawer/lib/navigation-drawer.ts → ...ationdrawer/internal/navigation-drawer.ts
diff --git a/labs/navigationdrawer/lib/shared-styles.scss → ...igationdrawer/internal/shared-styles.scss b/labs/navigationdrawer/lib/shared-styles.scss → ...igationdrawer/internal/shared-styles.scss
diff --git a/labs/navigationdrawer/navigation-drawer-modal.ts b/labs/navigationdrawer/navigation-drawer-modal.ts
@@ -6,9 +6,9 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {NavigationDrawerModal} from './lib/navigation-drawer-modal.js';
-import {styles} from './lib/navigation-drawer-modal-styles.css.js';
-import {styles as sharedStyles} from './lib/shared-styles.css.js';
+import {NavigationDrawerModal} from './internal/navigation-drawer-modal.js';
+import {styles} from './internal/navigation-drawer-modal-styles.css.js';
+import {styles as sharedStyles} from './internal/shared-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/labs/navigationdrawer/navigation-drawer.ts b/labs/navigationdrawer/navigation-drawer.ts
@@ -6,9 +6,9 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {NavigationDrawer} from './lib/navigation-drawer.js';
-import {styles} from './lib/navigation-drawer-styles.css.js';
-import {styles as sharedStyles} from './lib/shared-styles.css.js';
+import {NavigationDrawer} from './internal/navigation-drawer.js';
+import {styles} from './internal/navigation-drawer-styles.css.js';
+import {styles as sharedStyles} from './internal/shared-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/labs/navigationtab/_navigation-tab.scss b/labs/navigationtab/_navigation-tab.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/navigation-tab' show theme;
+@forward './internal/navigation-tab' show theme;
diff --git a/labs/navigationtab/harness.ts b/labs/navigationtab/harness.ts
@@ -6,7 +6,7 @@
 
 import {Harness} from '../../testing/harness.js';
 
-import {NavigationTab} from './lib/navigation-tab.js';
+import {NavigationTab} from './internal/navigation-tab.js';
 
 /**
  * Test harness for navigation tab elements.

diff --git a/labs/navigationtab/lib/_navigation-tab.scss → ...vigationtab/internal/_navigation-tab.scss b/labs/navigationtab/lib/_navigation-tab.scss → ...vigationtab/internal/_navigation-tab.scss
diff --git a/...igationtab/lib/navigation-tab-styles.scss → ...ontab/internal/navigation-tab-styles.scss b/...igationtab/lib/navigation-tab-styles.scss → ...ontab/internal/navigation-tab-styles.scss
diff --git a/labs/navigationtab/lib/navigation-tab.ts → .../navigationtab/internal/navigation-tab.ts b/labs/navigationtab/lib/navigation-tab.ts → .../navigationtab/internal/navigation-tab.ts
diff --git a/labs/navigationtab/lib/state.ts → labs/navigationtab/internal/state.ts b/labs/navigationtab/lib/state.ts → labs/navigationtab/internal/state.ts
diff --git a/labs/navigationtab/navigation-tab.ts b/labs/navigationtab/navigation-tab.ts
@@ -6,8 +6,8 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {NavigationTab} from './lib/navigation-tab.js';
-import {styles} from './lib/navigation-tab-styles.css.js';
+import {NavigationTab} from './internal/navigation-tab.js';
+import {styles} from './internal/navigation-tab-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/...utton/lib/_outlined-segmented-button.scss → .../internal/_outlined-segmented-button.scss b/...utton/lib/_outlined-segmented-button.scss → .../internal/_outlined-segmented-button.scss
diff --git a/labs/segmentedbutton/lib/_shared.scss → labs/segmentedbutton/internal/_shared.scss b/labs/segmentedbutton/lib/_shared.scss → labs/segmentedbutton/internal/_shared.scss
diff --git a/...edbutton/lib/outlined-segmented-button.ts → ...ton/internal/outlined-segmented-button.ts b/...edbutton/lib/outlined-segmented-button.ts → ...ton/internal/outlined-segmented-button.ts
diff --git a/.../segmentedbutton/lib/outlined-styles.scss → ...entedbutton/internal/outlined-styles.scss b/.../segmentedbutton/lib/outlined-styles.scss → ...entedbutton/internal/outlined-styles.scss
diff --git a/labs/segmentedbutton/lib/segmented-button.ts → ...mentedbutton/internal/segmented-button.ts b/labs/segmentedbutton/lib/segmented-button.ts → ...mentedbutton/internal/segmented-button.ts
diff --git a/labs/segmentedbutton/lib/shared-styles.scss → ...gmentedbutton/internal/shared-styles.scss b/labs/segmentedbutton/lib/shared-styles.scss → ...gmentedbutton/internal/shared-styles.scss
diff --git a/labs/segmentedbutton/outlined-segmented-button.ts b/labs/segmentedbutton/outlined-segmented-button.ts
@@ -6,9 +6,9 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {OutlinedSegmentedButton} from './lib/outlined-segmented-button.js';
-import {styles as outlinedStyles} from './lib/outlined-styles.css.js';
-import {styles as sharedStyles} from './lib/shared-styles.css.js';
+import {OutlinedSegmentedButton} from './internal/outlined-segmented-button.js';
+import {styles as outlinedStyles} from './internal/outlined-styles.css.js';
+import {styles as sharedStyles} from './internal/shared-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/...t/lib/_outlined-segmented-button-set.scss → ...ernal/_outlined-segmented-button-set.scss b/...t/lib/_outlined-segmented-button-set.scss → ...ernal/_outlined-segmented-button-set.scss
diff --git a/labs/segmentedbuttonset/lib/_shared.scss → .../segmentedbuttonset/internal/_shared.scss b/labs/segmentedbuttonset/lib/_shared.scss → .../segmentedbuttonset/internal/_shared.scss
diff --git a/...nset/lib/outlined-segmented-button-set.ts → ...internal/outlined-segmented-button-set.ts b/...nset/lib/outlined-segmented-button-set.ts → ...internal/outlined-segmented-button-set.ts
diff --git a/...gmentedbuttonset/lib/outlined-styles.scss → ...edbuttonset/internal/outlined-styles.scss b/...gmentedbuttonset/lib/outlined-styles.scss → ...edbuttonset/internal/outlined-styles.scss
diff --git a/...ntedbuttonset/lib/segmented-button-set.ts → ...uttonset/internal/segmented-button-set.ts b/...ntedbuttonset/lib/segmented-button-set.ts → ...uttonset/internal/segmented-button-set.ts
@@ -9,7 +9,7 @@ import {property, queryAssignedElements} from 'lit/decorators.js';
 
 import {ARIAMixinStrict} from '../../../internal/aria/aria.js';
 import {requestUpdateOnAriaChange} from '../../../internal/aria/delegate.js';
-import {SegmentedButton} from '../../segmentedbutton/lib/segmented-button.js';
+import {SegmentedButton} from '../../segmentedbutton/internal/segmented-button.js';
 
 /**
  * SegmentedButtonSet is the parent component for two or more

diff --git a/...segmentedbuttonset/lib/shared-styles.scss → ...ntedbuttonset/internal/shared-styles.scss b/...segmentedbuttonset/lib/shared-styles.scss → ...ntedbuttonset/internal/shared-styles.scss
diff --git a/labs/segmentedbuttonset/outlined-segmented-button-set.ts b/labs/segmentedbuttonset/outlined-segmented-button-set.ts
@@ -6,9 +6,9 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {OutlinedSegmentedButtonSet} from './lib/outlined-segmented-button-set.js';
-import {styles as outlinedStyles} from './lib/outlined-styles.css.js';
-import {styles as sharedStyles} from './lib/shared-styles.css.js';
+import {OutlinedSegmentedButtonSet} from './internal/outlined-segmented-button-set.js';
+import {styles as outlinedStyles} from './internal/outlined-styles.css.js';
+import {styles as sharedStyles} from './internal/shared-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/progress/_circular-progress.scss b/progress/_circular-progress.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/circular-progress' show theme;
+@forward './internal/circular-progress' show theme;
diff --git a/progress/_linear-progress.scss b/progress/_linear-progress.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/linear-progress' show theme;
+@forward './internal/linear-progress' show theme;
diff --git a/progress/circular-progress.ts b/progress/circular-progress.ts
@@ -6,8 +6,8 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {CircularProgress} from './lib/circular-progress.js';
-import {styles} from './lib/circular-progress-styles.css.js';
+import {CircularProgress} from './internal/circular-progress.js';
+import {styles} from './internal/circular-progress-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/progress/harness.ts b/progress/harness.ts
@@ -6,8 +6,8 @@
 
 import {Harness} from '../testing/harness.js';
 
-import {CircularProgress} from './lib/circular-progress.js';
-import {LinearProgress} from './lib/linear-progress.js';
+import {CircularProgress} from './internal/circular-progress.js';
+import {LinearProgress} from './internal/linear-progress.js';
 
 /**
  * Test harness for linear-progress.

diff --git a/progress/lib/_circular-progress.scss → progress/internal/_circular-progress.scss b/progress/lib/_circular-progress.scss → progress/internal/_circular-progress.scss
diff --git a/progress/lib/_linear-progress.scss → progress/internal/_linear-progress.scss b/progress/lib/_linear-progress.scss → progress/internal/_linear-progress.scss
diff --git a/progress/lib/circular-progress-styles.scss → ...ss/internal/circular-progress-styles.scss b/progress/lib/circular-progress-styles.scss → ...ss/internal/circular-progress-styles.scss
diff --git a/progress/lib/circular-progress.ts → progress/internal/circular-progress.ts b/progress/lib/circular-progress.ts → progress/internal/circular-progress.ts
diff --git a/progress/lib/linear-progress-styles.scss → ...ress/internal/linear-progress-styles.scss b/progress/lib/linear-progress-styles.scss → ...ress/internal/linear-progress-styles.scss
diff --git a/progress/lib/linear-progress.ts → progress/internal/linear-progress.ts b/progress/lib/linear-progress.ts → progress/internal/linear-progress.ts
diff --git a/progress/lib/progress.ts → progress/internal/progress.ts b/progress/lib/progress.ts → progress/internal/progress.ts
diff --git a/progress/linear-progress.ts b/progress/linear-progress.ts
@@ -6,8 +6,8 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {LinearProgress} from './lib/linear-progress.js';
-import {styles} from './lib/linear-progress-styles.css.js';
+import {LinearProgress} from './internal/linear-progress.js';
+import {styles} from './internal/linear-progress-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/radio/_radio.scss b/radio/_radio.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/radio' show theme;
+@forward './internal/radio' show theme;
diff --git a/radio/harness.ts b/radio/harness.ts
@@ -6,7 +6,7 @@
 
 import {Harness} from '../testing/harness.js';
 
-import {Radio} from './lib/radio.js';
+import {Radio} from './internal/radio.js';
 
 /**
  * Test harness for radio.

diff --git a/radio/lib/_radio.scss → radio/internal/_radio.scss b/radio/lib/_radio.scss → radio/internal/_radio.scss
diff --git a/radio/lib/forced-colors-styles.scss → radio/internal/forced-colors-styles.scss b/radio/lib/forced-colors-styles.scss → radio/internal/forced-colors-styles.scss
diff --git a/radio/lib/radio-styles.scss → radio/internal/radio-styles.scss b/radio/lib/radio-styles.scss → radio/internal/radio-styles.scss
diff --git a/radio/lib/radio.ts → radio/internal/radio.ts b/radio/lib/radio.ts → radio/internal/radio.ts
diff --git a/radio/lib/single-selection-controller.ts → ...o/internal/single-selection-controller.ts b/radio/lib/single-selection-controller.ts → ...o/internal/single-selection-controller.ts
diff --git a/radio/radio.ts b/radio/radio.ts
@@ -6,9 +6,9 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {styles as forcedColorsStyles} from './lib/forced-colors-styles.css.js';
-import {Radio} from './lib/radio.js';
-import {styles} from './lib/radio-styles.css.js';
+import {styles as forcedColorsStyles} from './internal/forced-colors-styles.css.js';
+import {Radio} from './internal/radio.js';
+import {styles} from './internal/radio-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/ripple/_ripple.scss b/ripple/_ripple.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/ripple' show theme;
+@forward './internal/ripple' show theme;
diff --git a/ripple/lib/_ripple.scss → ripple/internal/_ripple.scss b/ripple/lib/_ripple.scss → ripple/internal/_ripple.scss
diff --git a/ripple/lib/ripple-styles.scss → ripple/internal/ripple-styles.scss b/ripple/lib/ripple-styles.scss → ripple/internal/ripple-styles.scss
diff --git a/ripple/lib/ripple.ts → ripple/internal/ripple.ts b/ripple/lib/ripple.ts → ripple/internal/ripple.ts
diff --git a/ripple/lib/ripple_test.ts → ripple/internal/ripple_test.ts b/ripple/lib/ripple_test.ts → ripple/internal/ripple_test.ts
diff --git a/ripple/ripple.ts b/ripple/ripple.ts
@@ -6,8 +6,8 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {Ripple} from './lib/ripple.js';
-import {styles} from './lib/ripple-styles.css.js';
+import {Ripple} from './internal/ripple.js';
+import {styles} from './internal/ripple-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/select/_filled-select.scss b/select/_filled-select.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/filled-select' show theme;
+@forward './internal/filled-select' show theme;
diff --git a/select/_outlined-select.scss b/select/_outlined-select.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/outlined-select' show theme;
+@forward './internal/outlined-select' show theme;
diff --git a/select/filled-select.ts b/select/filled-select.ts
@@ -6,10 +6,10 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {styles as filledForcedColorsStyles} from './lib/filled-forced-colors-styles.css.js';
-import {FilledSelect} from './lib/filled-select.js';
-import {styles} from './lib/filled-select-styles.css.js';
-import {styles as sharedStyles} from './lib/shared-styles.css.js';
+import {styles as filledForcedColorsStyles} from './internal/filled-forced-colors-styles.css.js';
+import {FilledSelect} from './internal/filled-select.js';
+import {styles} from './internal/filled-select-styles.css.js';
+import {styles as sharedStyles} from './internal/shared-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/select/harness.ts b/select/harness.ts
@@ -10,8 +10,8 @@ import {FieldHarness} from '../field/harness.js';
 import {Field} from '../field/internal/field.js';
 import {Harness} from '../testing/harness.js';
 
-import {Select} from './lib/select.js';
-import {SelectOptionHarness} from './lib/selectoption/harness.js';
+import {Select} from './internal/select.js';
+import {SelectOptionHarness} from './internal/selectoption/harness.js';
 
 /**
  * Test harness for menu.

diff --git a/select/lib/_filled-select.scss → select/internal/_filled-select.scss b/select/lib/_filled-select.scss → select/internal/_filled-select.scss
diff --git a/select/lib/_outlined-select.scss → select/internal/_outlined-select.scss b/select/lib/_outlined-select.scss → select/internal/_outlined-select.scss
diff --git a/select/lib/_shared.scss → select/internal/_shared.scss b/select/lib/_shared.scss → select/internal/_shared.scss
diff --git a/select/lib/filled-forced-colors-styles.scss → ...internal/filled-forced-colors-styles.scss b/select/lib/filled-forced-colors-styles.scss → ...internal/filled-forced-colors-styles.scss
diff --git a/select/lib/filled-select-styles.scss → select/internal/filled-select-styles.scss b/select/lib/filled-select-styles.scss → select/internal/filled-select-styles.scss
diff --git a/select/lib/filled-select.ts → select/internal/filled-select.ts b/select/lib/filled-select.ts → select/internal/filled-select.ts
diff --git a/...ct/lib/outlined-forced-colors-styles.scss → ...ternal/outlined-forced-colors-styles.scss b/...ct/lib/outlined-forced-colors-styles.scss → ...ternal/outlined-forced-colors-styles.scss
diff --git a/select/lib/outlined-select-styles.scss → select/internal/outlined-select-styles.scss b/select/lib/outlined-select-styles.scss → select/internal/outlined-select-styles.scss
diff --git a/select/lib/outlined-select.ts → select/internal/outlined-select.ts b/select/lib/outlined-select.ts → select/internal/outlined-select.ts
diff --git a/select/lib/select.ts → select/internal/select.ts b/select/lib/select.ts → select/internal/select.ts
diff --git a/select/lib/selectoption/harness.ts → select/internal/selectoption/harness.ts b/select/lib/selectoption/harness.ts → select/internal/selectoption/harness.ts
diff --git a/select/lib/selectoption/select-option.ts → ...ct/internal/selectoption/select-option.ts b/select/lib/selectoption/select-option.ts → ...ct/internal/selectoption/select-option.ts
diff --git a/select/lib/shared-styles.scss → select/internal/shared-styles.scss b/select/lib/shared-styles.scss → select/internal/shared-styles.scss
diff --git a/select/lib/shared.ts → select/internal/shared.ts b/select/lib/shared.ts → select/internal/shared.ts
diff --git a/select/outlined-select.ts b/select/outlined-select.ts
@@ -6,10 +6,10 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {styles as outlinedForcedColorsStyles} from './lib/outlined-forced-colors-styles.css.js';
-import {OutlinedSelect} from './lib/outlined-select.js';
-import {styles} from './lib/outlined-select-styles.css.js';
-import {styles as sharedStyles} from './lib/shared-styles.css.js';
+import {styles as outlinedForcedColorsStyles} from './internal/outlined-forced-colors-styles.css.js';
+import {OutlinedSelect} from './internal/outlined-select.js';
+import {styles} from './internal/outlined-select-styles.css.js';
+import {styles as sharedStyles} from './internal/shared-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/select/select-option.ts b/select/select-option.ts
@@ -12,7 +12,7 @@ import {styles as forcedColorsStyles} from '../menu/internal/menuitem/forced-col
 import {styles} from '../menu/internal/menuitem/menu-item-styles.css.js';
 
 // TODO(b/236285090): update with HCM best practices
-import {SelectOptionEl} from './lib/selectoption/select-option.js';
+import {SelectOptionEl} from './internal/selectoption/select-option.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/slider/_slider.scss b/slider/_slider.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/slider' show theme;
+@forward './internal/slider' show theme;
diff --git a/slider/harness.ts b/slider/harness.ts
@@ -6,7 +6,7 @@
 
 import {Harness} from '../testing/harness.js';
 
-import {Slider} from './lib/slider.js';
+import {Slider} from './internal/slider.js';
 
 /**
  * Test harness for slider.

diff --git a/slider/lib/_slider.scss → slider/internal/_slider.scss b/slider/lib/_slider.scss → slider/internal/_slider.scss
diff --git a/slider/lib/forced-colors-styles.scss → slider/internal/forced-colors-styles.scss b/slider/lib/forced-colors-styles.scss → slider/internal/forced-colors-styles.scss
diff --git a/slider/lib/slider-styles.scss → slider/internal/slider-styles.scss b/slider/lib/slider-styles.scss → slider/internal/slider-styles.scss
diff --git a/slider/lib/slider.ts → slider/internal/slider.ts b/slider/lib/slider.ts → slider/internal/slider.ts
diff --git a/slider/slider.ts b/slider/slider.ts
@@ -6,9 +6,9 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {styles as forcedColorsStyles} from './lib/forced-colors-styles.css.js';
-import {Slider} from './lib/slider.js';
-import {styles} from './lib/slider-styles.css.js';
+import {styles as forcedColorsStyles} from './internal/forced-colors-styles.css.js';
+import {Slider} from './internal/slider.js';
+import {styles} from './internal/slider-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/switch/_switch.scss b/switch/_switch.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/switch' show theme;
+@forward './internal/switch' show theme;
diff --git a/switch/harness.ts b/switch/harness.ts
@@ -6,7 +6,7 @@
 
 import {Harness} from '../testing/harness.js';
 
-import {Switch} from './lib/switch.js';
+import {Switch} from './internal/switch.js';
 
 /**
  * Test harness for switch elements.

diff --git a/switch/lib/README.md → switch/internal/README.md b/switch/lib/README.md → switch/internal/README.md
diff --git a/switch/lib/_handle.scss → switch/internal/_handle.scss b/switch/lib/_handle.scss → switch/internal/_handle.scss
diff --git a/switch/lib/_icon.scss → switch/internal/_icon.scss b/switch/lib/_icon.scss → switch/internal/_icon.scss
diff --git a/switch/lib/_switch.scss → switch/internal/_switch.scss b/switch/lib/_switch.scss → switch/internal/_switch.scss
diff --git a/switch/lib/_track.scss → switch/internal/_track.scss b/switch/lib/_track.scss → switch/internal/_track.scss
diff --git a/switch/lib/forced-colors-styles.scss → switch/internal/forced-colors-styles.scss b/switch/lib/forced-colors-styles.scss → switch/internal/forced-colors-styles.scss
diff --git a/switch/lib/switch-styles.scss → switch/internal/switch-styles.scss b/switch/lib/switch-styles.scss → switch/internal/switch-styles.scss
diff --git a/switch/lib/switch.ts → switch/internal/switch.ts b/switch/lib/switch.ts → switch/internal/switch.ts
diff --git a/switch/lib/switch_test.ts → switch/internal/switch_test.ts b/switch/lib/switch_test.ts → switch/internal/switch_test.ts
diff --git a/switch/switch.ts b/switch/switch.ts
@@ -6,9 +6,9 @@
 
 import {customElement} from 'lit/decorators.js';
 
-import {styles as forcedColorsStyles} from './lib/forced-colors-styles.css.js';
-import {Switch} from './lib/switch.js';
-import {styles} from './lib/switch-styles.css.js';
+import {styles as forcedColorsStyles} from './internal/forced-colors-styles.css.js';
+import {Switch} from './internal/switch.js';
+import {styles} from './internal/switch-styles.css.js';
 
 declare global {
   interface HTMLElementTagNameMap {

diff --git a/tabs/_tab.scss b/tabs/_tab.scss
@@ -3,4 +3,4 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-@forward './lib/tab' show theme;
+@forward './internal/tab' show theme;