import { z } from 'zod';
export declare const OPERATING_SYSTEMS: readonly ["macOS", "Windows", "Linux"];
export declare const osZ: z.ZodUnion<[z.ZodEnum<{
    macOS: "macOS";
    Windows: "Windows";
    Linux: "Linux";
}>, z.ZodPipe<z.ZodEnum<{
    macos: "macos";
    windows: "windows";
    linux: "linux";
}>, z.ZodTransform<"macOS" | "Windows" | "Linux", "macos" | "windows" | "linux">>]>;
export type OS = (typeof OPERATING_SYSTEMS)[number];
export interface RequiredGetOSProps {
    force?: OS;
    default?: OS;
}
export interface OptionalGetOSProps {
    force?: OS;
    default: OS;
}
export type GetOSProps = RequiredGetOSProps | OptionalGetOSProps;
export interface GetOS {
    (props?: RequiredGetOSProps): OS;
    (props?: OptionalGetOSProps): OS | undefined;
}
export declare const getOS: GetOS;
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