/**
 * @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 { StyleDefinition } from '../style-utils/style-utils';
/** A class that encapsulates CSS style generation for common directives */
export declare abstract class StyleBuilder {
    /** Whether to cache the generated output styles */
    shouldCache: boolean;
    /** Build the styles given an input string and configuration object from a host */
    abstract buildStyles(input: string, parent?: Object): StyleDefinition;
    /**
     * Run a side effect computation given the input string and the computed styles
     * from the build task and the host configuration object
     * NOTE: This should be a no-op unless an algorithm is provided in a subclass
     */
    sideEffect(_input: string, _styles: StyleDefinition, _parent?: Object): void;
}