import type { NormalizedConfig } from '@rsbuild/core';
type Warn = (message: string) => void;
export declare function isSourceMapEnabled(value: unknown): boolean;
export declare function getClientSourceMapSetting(normalized: NormalizedConfig, clientEnvName?: string): unknown;
export declare function getClientDevtoolSetting(normalized: NormalizedConfig, clientEnvName?: string): unknown;
export declare function warnOnClientSourceMaps(normalized: NormalizedConfig, warn: Warn, clientEnvName?: string): void;
export {};