/**
 * The small local-environment surface the box-side commands touch, injected so
 * they are testable without an actual EC2 host.
 *
 * Node-only. `self-deploy` needs the base set; `replica-sync` extends it with two
 * filesystem probes for the repo clone, kept as an extension so the self-deploy
 * surface stays minimal.
 */
import { spawnSync } from "node:child_process";
/** The local surface used by `outposts self-deploy`. */
export interface SelfDeployDependencies {
    spawnSync: (command: string, args: string[], options?: Parameters<typeof spawnSync>[2]) => ReturnType<typeof spawnSync>;
    readTextFile: (file: string) => string;
    loadCachedTokens: () => {
        refreshToken?: string;
        idToken?: string;
    } | undefined;
    getUid: () => number | undefined;
    isStdinTty: () => boolean;
    confirm: () => Promise<boolean>;
    defaultHqRoot: () => string;
    invokingUser: () => string;
}
/**
 * The extra local surface `replica-sync` needs on top of the self-deploy set:
 * two filesystem probes for the repos clone.
 */
export interface ReplicaSyncDependencies extends SelfDeployDependencies {
    pathExists: (p: string) => boolean;
    mkdirp: (p: string) => void;
}
export declare const defaultSelfDeployDependencies: SelfDeployDependencies;
export declare const defaultReplicaSyncDependencies: ReplicaSyncDependencies;
/**
 * Run a child and throw a plain description on any failure.
 *
 * Child output is deliberately excluded from the thrown message: even though
 * these callers never pass credentials in argv, several of them stream secrets
 * through a child's stdin or environment, so the error path stays secret-safe by
 * construction rather than by review.
 */
export declare function runChecked(deps: SelfDeployDependencies, command: string, args: string[], description: string, options?: Parameters<typeof spawnSync>[2]): void;
/** `runChecked` under `sudo` unless already root. */
export declare function runPrivileged(deps: SelfDeployDependencies, command: string, args: string[], description: string, options?: Parameters<typeof spawnSync>[2]): void;
/** True when `command args` exits 0. Never throws. */
export declare function commandSucceeded(deps: SelfDeployDependencies, command: string, args: string[]): boolean;
/** Trimmed stdout of `command args`, or undefined when it failed. Never throws. */
export declare function commandOutput(deps: SelfDeployDependencies, command: string, args: string[]): string | undefined;
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