/** `dir` is the project directory, `name` the workflow's name, and `file`
 *  the absolute path of its JSON file. */
export type WorkflowFile = {
    dir: string;
    name: string;
    file: string;
};
export type Located = {
    found: WorkflowFile;
    error: null;
} | {
    found: null;
    error: string;
};
/** A workflow named by its file, `<dir>/workflows/<name>.json`, or by a
 *  bare name in `<cwd>/workflows`. */
export declare function locateWorkflow(arg: string, cwd: string): Located;