/**
 * The name of the connection pool; unique within the instrumented application. In case the connection pool implementation doesn't provide a name, instrumentation **SHOULD** use a combination of parameters that would make the name unique, for example, combining attributes `server.address`, `server.port`, and `db.namespace`, formatted as `server.address:server.port/db.namespace`. Instrumentations that generate connection pool name following different patterns **SHOULD** document it.
 *
 * @example myDataSource
 *
 * @experimental This attribute is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const ATTR_DB_CLIENT_CONNECTION_POOL_NAME: "db.client.connection.pool.name";
/**
 * The state of a connection in the pool
 *
 * @example idle
 *
 * @experimental This attribute is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const ATTR_DB_CLIENT_CONNECTION_STATE: "db.client.connection.state";
/**
 * Enum value "idle" for attribute {@link ATTR_DB_CLIENT_CONNECTION_STATE}.
 */
export declare const DB_CLIENT_CONNECTION_STATE_VALUE_IDLE: "idle";
/**
 * Enum value "used" for attribute {@link ATTR_DB_CLIENT_CONNECTION_STATE}.
 */
export declare const DB_CLIENT_CONNECTION_STATE_VALUE_USED: "used";
/**
 * Enum value "postgresql" for attribute {@link ATTR_DB_SYSTEM_NAME}.
 *
 * [PostgreSQL](https://www.postgresql.org/)
 */
export declare const DB_SYSTEM_NAME_VALUE_POSTGRESQL: "postgresql";
/**
 * The number of connections that are currently in state described by the `state` attribute
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_DB_CLIENT_CONNECTION_COUNT: "db.client.connection.count";
/**
 * The number of current pending requests for an open connection
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_DB_CLIENT_CONNECTION_PENDING_REQUESTS: "db.client.connection.pending_requests";
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