/**
 * skaile setup — Interactive provider setup wizard
 *
 * Discovers existing config, lets the user pick providers, enter/validate API keys,
 * choose where to store them, and set defaults.
 */
/**
 * Interactive provider setup wizard: discovers existing config, prompts for
 * provider/model/driver preferences and API keys, then writes the results to
 * `skaile.yaml` or `.skaile/settings.json` depending on the user's choice.
 *
 * @param _args - Unused positional args (reserved for future use).
 * @param opts - Options including an optional `projectDir` override.
 * @docLink cli/dev-guide#setup
 */
export declare function cmdSetup(_args: string[], opts: {
    projectDir?: string;
}): Promise<void>;
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