import { type ClickHouseExecutor } from '@chkit/clickhouse';
import type { ChxConfig, Snapshot } from '@chkit/core';
import type { TableScope } from '../../runtime/table-scope.js';
import { type ObjectDriftDetail, type TableDriftDetail } from './compare.js';
export interface DriftPayload {
    scope?: TableScope;
    snapshotFile: string;
    expectedCount: number;
    actualCount: number;
    drifted: boolean;
    databaseMissing?: boolean;
    database?: string;
    missing: string[];
    extra: string[];
    kindMismatches: Array<{
        expected: string;
        actual: string;
        object: string;
    }>;
    objectDrift: ObjectDriftDetail[];
    tableDrift: TableDriftDetail[];
}
/**
 * Decide whether a schema has drifted. Objects that exist in ClickHouse but are
 * not in the schema (`extra_object` → `extraCount`) are NOT drift by default:
 * on a shared database every unmanaged table would otherwise break the CI gate.
 * Opt in with `check.failOnExtraObjects` to treat them as drift (e.g. when chkit
 * owns the whole database).
 */
export declare function computeDrifted(input: {
    missingCount: number;
    kindMismatchCount: number;
    tableDriftCount: number;
    extraCount: number;
    failOnExtraObjects: boolean;
}): boolean;
export declare function buildDriftPayload(config: ChxConfig, metaDir: string, snapshot: Snapshot, scope?: TableScope, executor?: ClickHouseExecutor): Promise<DriftPayload>;
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