Reland "Reland "Update stylelint to 14.0.1""

This reverts commit 2b4a9df2d922bb9d183fe2f816da40dda2e87790.

Reason for revert: subsequent presubmit uploads should be fixed now.

Original change's description:
> Revert "Reland "Update stylelint to 14.0.1""
>
> This reverts commit f2ea2c940dd62b3295047e03959c89c237e216c8.
>
> Reason for revert: https://ci.chromium.org/ui/p/devtools-frontend/builders/try/dtf_presubmit_linux/b8831129368825517985/overview
>
> Original change's description:
> > Reland "Update stylelint to 14.0.1"
> >
> > This reverts commit 6c0f161c95acd70706aeed4e1167ab1c28f88eee.
> >
> > Reason for revert: the prerequisite CL (https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3259703) has landed
> >
> > Original change's description:
> > > Revert "Update stylelint to 14.0.1"
> > >
> > > This reverts commit 1e08ee816bab192a7d295d2f457be97bd88c09c1.
> > >
> > > Reason for revert: tree is closed due to errors https://ci.chromium.org/ui/p/devtools-frontend/builders/ci/Stand-alone%20Linux/8169/overview
> > >
> > > Original change's description:
> > > > Update stylelint to 14.0.1
> > > >
> > > > This also upgrades PostCSS to 8.3.11.
> > > >
> > > > DISABLE_THIRD_PARTY_CHECK=Updating Stylelint configuration
> > > > R=​szuend@chromium.org
> > > >
> > > > Bug: none
> > > > Change-Id: I606540b03509d7c6e73f3d490327cd4174e03d31
> > > > Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3259541
> > > > Reviewed-by: Simon Zünd <szuend@chromium.org>
> > > > Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
> > >
> > > Bug: none
> > > Change-Id: Icb1c02b41dbccc3b4fc5760f5dd0b78eca078b61
> > > No-Presubmit: true
> > > No-Tree-Checks: true
> > > No-Try: true
> > > Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3263399
> > > Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> > > Owners-Override: Alex Rudenko <alexrudenko@chromium.org>
> > > Commit-Queue: Alex Rudenko <alexrudenko@chromium.org>
> >
> > DISABLE_THIRD_PARTY_CHECK=Updating Stylelint configuration
> >
> > Bug: none
> > Change-Id: If132a67ee4253d27114caedd66c5ee61c774a6c7
> > Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3264206
> > Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
> > Reviewed-by: Simon Zünd <szuend@chromium.org>
> > Reviewed-by: Alex Rudenko <alexrudenko@chromium.org>
>
> Bug: none
> Change-Id: Idc6c9f5cc1e225c752799461eb0344e94b4ad1e5
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3264222
> Auto-Submit: Tim van der Lippe <tvanderlippe@chromium.org>
> Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>

DISABLE_THIRD_PARTY_CHECK=Updating Stylelint configuration

Bug: none
Change-Id: I609941d48b46bfcf454b03dcc75a76d460fbe674
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3264223
Reviewed-by: Jack Franklin <jacktfranklin@chromium.org>
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
diff --git a/node_modules/source-map-js/source-map.d.ts b/node_modules/source-map-js/source-map.d.ts
new file mode 100644
index 0000000..8f972b0
--- /dev/null
+++ b/node_modules/source-map-js/source-map.d.ts
@@ -0,0 +1,98 @@
+export interface StartOfSourceMap {
+    file?: string;
+    sourceRoot?: string;
+}
+
+export interface RawSourceMap extends StartOfSourceMap {
+    version: string;
+    sources: string[];
+    names: string[];
+    sourcesContent?: string[];
+    mappings: string;
+}
+
+export interface Position {
+    line: number;
+    column: number;
+}
+
+export interface LineRange extends Position {
+    lastColumn: number;
+}
+
+export interface FindPosition extends Position {
+    // SourceMapConsumer.GREATEST_LOWER_BOUND or SourceMapConsumer.LEAST_UPPER_BOUND
+    bias?: number;
+}
+
+export interface SourceFindPosition extends FindPosition {
+    source: string;
+}
+
+export interface MappedPosition extends Position {
+    source: string;
+    name?: string;
+}
+
+export interface MappingItem {
+    source: string;
+    generatedLine: number;
+    generatedColumn: number;
+    originalLine: number;
+    originalColumn: number;
+    name: string;
+}
+
+export class SourceMapConsumer {
+    static GENERATED_ORDER: number;
+    static ORIGINAL_ORDER: number;
+
+    static GREATEST_LOWER_BOUND: number;
+    static LEAST_UPPER_BOUND: number;
+
+    constructor(rawSourceMap: RawSourceMap);
+    computeColumnSpans(): void;
+    originalPositionFor(generatedPosition: FindPosition): MappedPosition;
+    generatedPositionFor(originalPosition: SourceFindPosition): LineRange;
+    allGeneratedPositionsFor(originalPosition: MappedPosition): Position[];
+    hasContentsOfAllSources(): boolean;
+    sourceContentFor(source: string, returnNullOnMissing?: boolean): string;
+    eachMapping(callback: (mapping: MappingItem) => void, context?: any, order?: number): void;
+}
+
+export interface Mapping {
+    generated: Position;
+    original: Position;
+    source: string;
+    name?: string;
+}
+
+export class SourceMapGenerator {
+    constructor(startOfSourceMap?: StartOfSourceMap);
+    static fromSourceMap(sourceMapConsumer: SourceMapConsumer): SourceMapGenerator;
+    addMapping(mapping: Mapping): void;
+    setSourceContent(sourceFile: string, sourceContent: string): void;
+    applySourceMap(sourceMapConsumer: SourceMapConsumer, sourceFile?: string, sourceMapPath?: string): void;
+    toString(): string;
+}
+
+export interface CodeWithSourceMap {
+    code: string;
+    map: SourceMapGenerator;
+}
+
+export class SourceNode {
+    constructor();
+    constructor(line: number, column: number, source: string);
+    constructor(line: number, column: number, source: string, chunk?: string, name?: string);
+    static fromStringWithSourceMap(code: string, sourceMapConsumer: SourceMapConsumer, relativePath?: string): SourceNode;
+    add(chunk: string): void;
+    prepend(chunk: string): void;
+    setSourceContent(sourceFile: string, sourceContent: string): void;
+    walk(fn: (chunk: string, mapping: MappedPosition) => void): void;
+    walkSourceContents(fn: (file: string, content: string) => void): void;
+    join(sep: string): SourceNode;
+    replaceRight(pattern: string, replacement: string): SourceNode;
+    toString(): string;
+    toStringWithSourceMap(startOfSourceMap?: StartOfSourceMap): CodeWithSourceMap;
+}