import type { SQL } from '../../db/types.js';
import type { ActiveAuditStep } from '../../../trace/runtime/step-buffer.js';
/**
 * Information about the active flow_step plus the actor/tenant the row is
 * attributed to. The CTE compiler resolves these from the active `Flow` and
 * passes them in — keeps the SQL composer free of context-store coupling.
 */
export interface AuditSelectContext {
    readonly step: ActiveAuditStep;
    /** `auth?.userId`, or null when the trace ran without an authenticated principal. */
    readonly actorId: string | null;
    /** `flow.tenant`, or null when the entry was not tenant-scoped. */
    readonly tenantId: string | null;
}
/**
 * Composes the `audit_inserts` CTE body: one `SELECT` per `@touches` target,
 * joined by `UNION ALL`, projecting onto the `audit_record` column order.
 *
 * The shape is positional — matches `AUDIT_COLUMNS_SQL` exactly:
 *   id, trace_day, trace_id, trace_step_id, tenant_id, actor_id,
 *   entity, verb, before, after, captured_inputs, occurred_at
 *
 * `from` is the verb's contributing FROM clause (e.g. `FROM updated u LEFT
 * JOIN before b ON ...`), `before` / `after` are the per-row jsonb
 * expressions to project (or `NULL::jsonb` when the half doesn't apply).
 */
export declare function buildAuditInserts(ctx: AuditSelectContext, from: SQL, before: SQL, after: SQL): SQL;
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