import * as i0 from "@angular/core";
/**
 * The placeholder text for an `MatFormField`.
 * @deprecated Use `<mat-label>` to specify the label and the `placeholder` attribute to specify the
 *     placeholder.
 * @breaking-change 8.0.0
 */
export declare class MatPlaceholder {
    static ɵfac: i0.ɵɵFactoryDeclaration<MatPlaceholder, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<MatPlaceholder, "mat-placeholder", never, {}, {}, never>;
}