fix(cdk/table): _cellRole lint error (#28391)

Author: wagnermaciel

src/cdk/table/cell.ts

@@ -191,7 +191,7 @@ export class CdkHeaderCell extends BaseCdkCell {
 export class CdkFooterCell extends BaseCdkCell {
   constructor(columnDef: CdkColumnDef, elementRef: ElementRef) {
     super(columnDef, elementRef);
-    const role = columnDef._table?._cellRole;
+    const role = columnDef._table?._getCellRole();
     if (role) {
       elementRef.nativeElement.setAttribute('role', role);
     }
@@ -209,7 +209,7 @@ export class CdkFooterCell extends BaseCdkCell {
 export class CdkCell extends BaseCdkCell {
   constructor(columnDef: CdkColumnDef, elementRef: ElementRef) {
     super(columnDef, elementRef);
-    const role = columnDef._table?._cellRole;
+    const role = columnDef._table?._getCellRole();
     if (role) {
       elementRef.nativeElement.setAttribute('role', role);
     }

src/cdk/table/table.ts

@@ -436,7 +436,7 @@ export class CdkTable<T> implements AfterContentChecked, CollectionViewer, OnDes
   private _hasRendered = false;
 
   /** Aria role to apply to the table's cells based on the table's own role. */
-  get _cellRole(): string | null {
+  _getCellRole(): string | null {
     if (this._cellRoleInternal === undefined) {
       // Perform this lazily in case the table's role was updated by a directive after construction.
       const role = this._elementRef.nativeElement.getAttribute('role');

tools/public_api_guard/cdk/table.md

@@ -296,7 +296,6 @@ export class CdkTable<T> implements AfterContentChecked, CollectionViewer, OnDes
     addFooterRowDef(footerRowDef: CdkFooterRowDef): void;
     addHeaderRowDef(headerRowDef: CdkHeaderRowDef): void;
     addRowDef(rowDef: CdkRowDef<T>): void;
-    get _cellRole(): string | null;
     // (undocumented)
     protected readonly _changeDetectorRef: ChangeDetectorRef;
     // (undocumented)
@@ -319,6 +318,7 @@ export class CdkTable<T> implements AfterContentChecked, CollectionViewer, OnDes
     set fixedLayout(value: boolean);
     // (undocumented)
     _footerRowOutlet: FooterRowOutlet;
+    _getCellRole(): string | null;
     _getRenderedRows(rowOutlet: RowOutlet): HTMLElement[];
     _getRowDefs(data: T, dataIndex: number): CdkRowDef<T>[];
     // (undocumented)