/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { ElementRef, QueryList } from '@angular/core';
/**
 * Shared directive to count lines inside a text area, such as a list item.
 * Line elements can be extracted with a @ContentChildren(MatLine) query, then
 * counted by checking the query list's length.
 */
export declare class MatLine {
}
/**
 * Helper that takes a query list of lines and sets the correct class on the host.
 * @docs-private
 */
export declare class MatLineSetter {
    private _lines;
    private _element;
    constructor(_lines: QueryList<MatLine>, _element: ElementRef);
    private _setLineClass(count);
    private _resetClasses();
    private _setClass(className, isAdd);
}
export declare class MatLineModule {
}