import { z } from "zod";
/** The file the shell runs for `name`, like `which`. */
export declare function onPath(name: string, pathDirs: string): string[];
/** The folders directly inside `dir`, sorted by name, or none when `dir` doesn't exist. */
export declare function subfolders(dir: string): string[];
/** The first line a CLI prints for `--version`. */
export declare function versionOf(cli: string): Promise<string>;
/** Runs a command and resolves to whether it succeeded and everything it printed. */
export declare function run(command: string, args: string[]): Promise<{
    ok: boolean;
    output: string;
}>;
/** Runs a command and resolves to its stdout, or null when it can't be started. */
export declare function capture(command: string, args: string[]): Promise<string | null>;
/** Fetches a JSON file from GitHub, or resolves to null when it can't, reporting why to Sentry. */
export declare function fetchGitHubJson<T>(path: string): Promise<T | null>;
/** Parses a JSON list from a harness CLI, or returns null and reports to Sentry when it isn't JSON or doesn't match. */
export declare function parseList<T>(schema: z.ZodType<T, z.ZodTypeDef, unknown>, list: string, command: string): T | null;
/** Pads each column to its widest cell and indents every row. */
export declare function formatRows(rows: string[][], indent?: string): string[];
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