import type * as Db from '../Db.js';
import type * as db_Schema from '../Schema.js';
/** Columns of the `api_key_owner_tombstones` table. */
export type Table = db_Schema.ApiKeyOwnerTombstone;
/** Returns whether an organization or its attributed project has been deleted. */
export declare function isDeleted(db: Db.Db, owner: Owner): Promise<boolean>;
/** Records a permanent owner deletion fence in the caller's transaction. */
export declare function markDeleted(db: Db.Db, owner: Owner): Promise<void>;
/** Holds shared owner locks and returns whether neither owner fence exists. */
export declare function lockActive(db: Db.Db, owner: Owner): Promise<boolean>;
/** Holds shared locks for every owner and returns whether none has a deletion fence. */
export declare function lockActiveMany(db: Db.Db, owners: readonly Owner[]): Promise<boolean>;
/** API-key owner attribution checked by the deletion fence. */
export type Owner = {
    /** Owning organization id. */
    orgId: string;
    /** Project id when the fence applies only to one project. */
    projectId?: string | undefined;
};
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