/**
 * Stores all operations applied to the transaction and then applies
 * them atomically to the database once it's committed. Locks the
 * database when the first operation in the transaction is started.
 *
 * You must release the lock by calling [[`IDatabaseTransaction.commit`]]
 * or [[`IDatabaseTransaction.abort`]]
 *
 * Start a transaction by using {@link IDatabase.transaction} or the less used {@link IDatabase.withTransaction}
 *
 * @note Unlike most relational database transactions, the state is
 * not guaranteed to be consistent at time the transaction was
 * started. A row is frozen into the transaction when the first read
 * or write is performed on it.
 */
export interface IDatabaseTransaction {
    /**
     * Lock the database
     */
    acquireLock(): Promise<void>;
    /**
     * Commit the transaction atomically to the database but do not release the database lock
     * */
    update(): Promise<void>;
    /**
     * Commit the transaction atomically to the database and release the database lock
     * */
    commit(): Promise<void>;
    /**
     * Abort the transaction and release the database lock
     * */
    abort(): Promise<void>;
    /**
     * The number of pending operations
     */
    readonly size: number;
}
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