/**
 * Real Linear client adapter for cleanup-sub-issues.
 *
 * Separated into its own file so the test suite (cleanup-sub-issues.test.ts)
 * never imports this module — it only imports cleanup-sub-issues.ts which
 * lazily delegates here via the `linearClient` injection point.
 */
import type { LinearClientInterface } from './cleanup-sub-issues.js';
/**
 * Build a real LinearClientInterface from an API key.
 */
export declare function buildLinearClient(apiKey: string): Promise<LinearClientInterface>;
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