import type { Logger } from '@b64hub/sfpm-core';
import type { ScriptResult } from './types.js';
export declare const DEFAULT_TIMEOUT = 300000;
/**
 * Merge process.env with context-derived and per-script custom variables.
 */
export declare function buildScriptEnv(env: {
    custom?: Record<string, string>;
    packageName?: string;
    projectDir?: string;
    stagingDirectory?: string;
    targetOrg?: string;
}): Record<string, string>;
/**
 * Spawn a child process and collect output.
 */
export declare function spawnScript(command: string, args: string[], options: {
    cwd: string;
    env: Record<string, string>;
    timeout: number;
}, logger?: Logger): Promise<ScriptResult>;