import { Configuration } from '@rspack/core';
/**
 * Reads the Rspack options from a give Rspack configuration. The configuration can be:
 * 1. A single standard config object
 * 2. A standard function that returns a config object (standard Rspack)
 * 3. An array of standard config objects (multi-configuration mode)
 * 4. A Nx-specific composable function that takes Nx context, rspack config, and returns the config object.
 *
 * @param rspackConfig
 */
export declare function readRspackOptions(rspackConfig: unknown): Promise<Configuration[]>;
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