import { BuilderContext, BuilderOutputLike } from '@angular-devkit/architect';
import { json } from '@angular-devkit/core';
export declare const devServerOverrideKeys: string[];
export interface PerformanceBuilderSchema {
    threshold: number;
    project: string;
    port: string;
}
export declare function execute(options: PerformanceBuilderSchema, context: BuilderContext): BuilderOutputLike;
declare const _default: import("@angular-devkit/architect/src/internal").Builder<json.JsonObject & PerformanceBuilderSchema>;
export default _default;