import { type LanguageAdapter } from '@opensip-cli/core';
import type { Shard } from './shard-model.js';
import type { GraphLanguageAdapter } from '../../lang-adapter/types.js';
import type { GraphConfig } from '../../types.js';
export interface EngineShardPolicyResolution {
    readonly shards: Shard[];
    readonly partition?: {
        readonly durationMs: number;
        readonly detail: string;
    };
}
export interface DefaultEngineShardPolicyInput {
    readonly projectRoot: string;
    readonly languageAdapters: readonly LanguageAdapter[];
    readonly graphAdapter: GraphLanguageAdapter;
    readonly graphConfig: GraphConfig;
    readonly forcedLanguage: boolean;
    /** Producer preserves historical exact fallback; verifier must fail closed. */
    readonly failureMode?: 'producer-fallback' | 'verification-error';
}
/**
 * Canonical default exact/sharded policy shared by the producer and freshness
 * verifier. It performs discovery/partition planning only; it never parses or
 * walks source files.
 */
export declare function resolveDefaultEngineShards(input: DefaultEngineShardPolicyInput): Promise<EngineShardPolicyResolution>;
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