import type { CliOptions, FrozenResolvedCliOptions } from '../config/cli-options';
/**
 * Sends app config metrics
 * @param cliOptions
 */
export declare function sendAppConfigMetrics(cliOptions: Partial<FrozenResolvedCliOptions>): Promise<void>;
/**
 * Checks whether the app ships a custom index.html at the configured `build.index` path.
 * Never throws — telemetry must not crash a command.
 * @param cliOptions - Tailored for {@link ResolvedCliOptions} (has `root` + `build.index`),
 * but accepts the wider `CliOptions` signature used by `sendAppConfigMetrics`.
 * @returns True if a file exists at `<root>/<build.index>`, false otherwise (including on error)
 */
export declare function getUsesCustomIndex(cliOptions: Partial<FrozenResolvedCliOptions>): boolean;
/**
 * Returns object properties as array of xpath strings
 * @param obj - Any object supported, but it is tailored for the CliOptions
 * @param prefix - Current prefix
 * @returns
 */
export declare function getUsedConfigsAsXpath(obj: CliOptions | object, list?: Set<string>, prefix?: string): string[];