export declare const VOYANT_DB_SUPPORTS_TRANSACTIONS: unique symbol;
export declare const VOYANT_DB_DISPOSE: unique symbol;
export type DbTransactionCapability = {
    [VOYANT_DB_SUPPORTS_TRANSACTIONS]?: boolean;
};
export type DbDisposeCapability = {
    [VOYANT_DB_DISPOSE]?: () => Promise<void>;
};
export declare function dbSupportsTransactions(db: unknown): boolean | undefined;
export declare function dbClientDispose(db: unknown): (() => Promise<void>) | undefined;
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