import { type StatePrefixConfig } from "../state-prefix.js";
import type { PathwayDeliveryStore } from "../types.js";
import type { PostgresPoolConfig } from "./postgres-adapter.js";
/** Configuration for the PostgreSQL delivery store using a connection string */
export interface PostgresPathwayDeliveryStoreConnectionStringConfig extends StatePrefixConfig {
    /** Complete PostgreSQL connection string */
    connectionString: string;
    /** These properties are not used when a connection string is provided */
    host?: never;
    port?: never;
    user?: never;
    password?: never;
    database?: never;
    ssl?: never;
    /** Explicit table name. Overrides `statePrefix`. Default: `"pathway_delivery_state"`. */
    tableName?: string;
    /** Connection pool configuration */
    pool?: PostgresPoolConfig;
}
/** Configuration for the PostgreSQL delivery store using individual parameters */
export interface PostgresPathwayDeliveryStoreParametersConfig extends StatePrefixConfig {
    /** Not used when individual parameters are provided */
    connectionString?: never;
    /** PostgreSQL server hostname */
    host: string;
    /** PostgreSQL server port */
    port: number;
    /** PostgreSQL username */
    user: string;
    /** PostgreSQL password */
    password: string;
    /** PostgreSQL database name */
    database: string;
    /** Whether to use SSL for the connection */
    ssl?: boolean;
    /** Explicit table name. Overrides `statePrefix`. Default: `"pathway_delivery_state"`. */
    tableName?: string;
    /** Connection pool configuration */
    pool?: PostgresPoolConfig;
}
/** Configuration options for the PostgreSQL delivery store */
export type PostgresPathwayDeliveryStoreConfig = PostgresPathwayDeliveryStoreConnectionStringConfig | PostgresPathwayDeliveryStoreParametersConfig;
/**
 * PostgreSQL implementation of {@link PathwayDeliveryStore}.
 *
 * Holds the delivery pause of a pathway so it outlives the process. Without a durable
 * store a redeploy, a pod restart or a cluster leader change brings the pathway back
 * delivering, silently, while the operator still sees "paused".
 *
 * The row is shared by every instance of a deployable, so a new cluster leader reads the
 * same pause the old leader wrote.
 *
 * @example
 * ```typescript
 * const deliveryStore = createPostgresPathwayDeliveryStore({
 *   connectionString: "postgres://user:password@localhost:5432/mydb",
 *   statePrefix: "compute_api", // optional, yields compute_api_pathway_delivery_state
 * })
 *
 * pathways.withPathwayDeliveryStore(deliveryStore)
 * ```
 */
export declare class PostgresPathwayDeliveryStore implements PathwayDeliveryStore {
    private config;
    private static readonly DEFAULT_TABLE_NAME;
    private postgres;
    private readonly tableName;
    private initialized;
    constructor(config: PostgresPathwayDeliveryStoreConfig);
    /** The resolved table name */
    get table(): string;
    private initialize;
    getPausedPumps(pathwayKey: string): Promise<string[]>;
    setPausedPumps(pathwayKey: string, pumpKeys: string[]): Promise<void>;
    /** Close the underlying connection pool */
    close(): Promise<void>;
}
/** Creates a {@link PostgresPathwayDeliveryStore} */
export declare function createPostgresPathwayDeliveryStore(config: PostgresPathwayDeliveryStoreConfig): PostgresPathwayDeliveryStore;
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