/**
 * Granularity dial for `pgpm export`: route exported sql_actions rows through
 * the dials pipeline (`restructureChanges` in `@pgpmjs/transform`) so change
 * paths are derived from the naming spec (`identityOf` + `pathFor`) and
 * `requires` come from the statement dependency graph instead of the
 * hand-chained deps recorded at action time.
 */
import { PgpmRow } from '@pgpmjs/ast';
import { PathStyle } from '@pgpmjs/naming-spec';
import { Granularity } from '@pgsql/transform';
import { ChangeGranularity } from './granularity-driver';
export type ExportGranularity = Granularity;
export declare const EXPORT_GRANULARITIES: readonly ExportGranularity[];
export declare const isExportGranularity: (value: unknown) => value is ExportGranularity;
export interface RestructureExportRowsResult {
    rows: PgpmRow[];
    warnings: string[];
}
export interface RestructureExportRowsOptions {
    /** Naming-spec rendering style for derived paths (default `directory`). */
    naming?: PathStyle;
    /**
     * Change-level distribution (default `object`): with `alteration`, each
     * `ADD COLUMN` / `ADD CONSTRAINT` becomes its own change. See
     * {@link ChangeGranularity}.
     */
    changeGranularity?: ChangeGranularity;
}
/**
 * Restructure exported migration rows to the target granularity.
 *
 * The rows' deploy SQL is flattened in export order, restructured, and
 * re-sliced into per-object changes whose paths come from the naming spec and
 * whose deps come from the statement graph. When two changes derive the same
 * path (the same object altered again), later occurrences get the spec's
 * alteration convention via `alterationPathFor` (monotonic per-parent
 * counter), with the parent added to their deps.
 *
 * Revert/verify scripts are not carried through from the original rows (the
 * restructured grouping no longer matches them one-to-one); instead each
 * change gets scripts generated from its own statements via
 * `revertFor`/`verifyFor` (drops in reverse topological order, one existence
 * check per created object).
 */
export declare const restructureExportRows: (rows: PgpmRow[], granularity: ExportGranularity, options?: RestructureExportRowsOptions) => Promise<RestructureExportRowsResult>;