/**
 * @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 } from '@angular/core';
import { BaseDirective2, StyleBuilder, StyleDefinition, StyleUtils, MediaMarshaller, ElementMatcher } from '@angular/flex-layout/core';
export interface LayoutAlignParent {
    layout: string;
    inline: boolean;
}
export declare class LayoutAlignStyleBuilder extends StyleBuilder {
    buildStyles(align: string, parent: LayoutAlignParent): StyleDefinition;
}
/**
 * 'layout-align' flexbox styling directive
 *  Defines positioning of child elements along main and cross axis in a layout container
 *  Optional values: {main-axis} values or {main-axis cross-axis} value pairs
 *
 *  @see https://css-tricks.com/almanac/properties/j/justify-content/
 *  @see https://css-tricks.com/almanac/properties/a/align-items/
 *  @see https://css-tricks.com/almanac/properties/a/align-content/
 */
export declare class LayoutAlignDirective extends BaseDirective2 {
    protected DIRECTIVE_KEY: string;
    protected layout: string;
    protected inline: boolean;
    constructor(elRef: ElementRef, styleUtils: StyleUtils, styleBuilder: LayoutAlignStyleBuilder, marshal: MediaMarshaller);
    /**
     *
     */
    protected updateWithValue(value: string): void;
    /**
     * Cache the parent container 'flex-direction' and update the 'flex' styles
     */
    protected onLayoutChange(matcher: ElementMatcher): void;
}
export declare class DefaultLayoutAlignDirective extends LayoutAlignDirective {
    protected inputs: string[];
}