/**
 * This function is used to check if a preset is a third party preset.
 * @param preset
 * @returns
 * - undefined if the preset is a known Nx preset or invalid.
 * - packageName if the preset is a third party preset.
 * - throws an error if the preset is invalid.
 */
export declare function getPackageNameFromThirdPartyPreset(preset?: string): string | undefined;
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