/** PostgreSQL SQLSTATE codes representing a CLIENT error (HTTP 400) - caused by the request/data, not a server fault. @see https://www.postgresql.org/docs/current/errcodes-appendix.html */
export declare const PostgresErrorCodes: {
    readonly DATA_EXCEPTION: "22000";
    readonly STRING_DATA_TOO_LONG: "22001";
    readonly NUMERIC_VALUE_OUT_OF_RANGE: "22003";
    readonly NULL_VALUE_NOT_ALLOWED: "22004";
    readonly INVALID_DATETIME_FORMAT: "22007";
    readonly DATETIME_FIELD_OVERFLOW: "22008";
    readonly INVALID_TIME_ZONE_DISPLACEMENT_VALUE: "22009";
    readonly SUBSTRING_ERROR: "22011";
    readonly DIVISION_BY_ZERO: "22012";
    readonly INVALID_PARAMETER_VALUE: "22023";
    readonly INVALID_ESCAPE_SEQUENCE: "22025";
    readonly STRING_DATA_LENGTH_MISMATCH: "22026";
    readonly DUPLICATE_JSON_OBJECT_KEY_VALUE: "22030";
    readonly INVALID_JSON_TEXT: "22032";
    readonly FLOATING_POINT_EXCEPTION: "22P01";
    readonly INVALID_TEXT_REPRESENTATION: "22P02";
    readonly INVALID_BINARY_REPRESENTATION: "22P03";
    readonly UNTRANSLATABLE_CHARACTER: "22P05";
    readonly INTEGRITY_CONSTRAINT_VIOLATION: "23000";
    readonly RESTRICT_VIOLATION: "23001";
    readonly NOT_NULL_VIOLATION: "23502";
    readonly FOREIGN_KEY_VIOLATION: "23503";
    readonly UNIQUE_VIOLATION: "23505";
    readonly CHECK_VIOLATION: "23514";
    readonly EXCLUSION_VIOLATION: "23P01";
    readonly WITH_CHECK_OPTION_VIOLATION: "44000";
};
/** SQLSTATE classes (first two chars) mapped to HTTP 400; codes without a specific message use {@link DATABASE_CLIENT_ERROR_FALLBACK_MESSAGE}. Deliberately excluded (stay 500): 42, 53, 0A, 25, 28, 21, 54; class 40 is transient/retryable, NOT a 400. */
export declare const POSTGRES_CLIENT_ERROR_CLASSES: readonly string[];
/** Human-readable message per specific SQLSTATE code. */
export declare const DATABASE_CLIENT_ERROR_MESSAGES: Record<string, string>;
/** Fallback message for a client-class (22/23/44) error that has no specific message above. */
export declare const DATABASE_CLIENT_ERROR_FALLBACK_MESSAGE = "Invalid database request";
/** SQLSTATE codes for transient, retryable transaction conflicts (-> HTTP 409) - the transaction lost a concurrency race, not bad input (400) and not a server bug (500). */
export declare const POSTGRES_RETRYABLE_ERROR_CODES: readonly string[];
/** Safe, generic message + stable code for a retryable DB conflict (never leaks internals). */
export declare const DATABASE_RETRYABLE_ERROR_MESSAGE = "The request conflicted with a concurrent operation; please retry.";
export declare const DATABASE_RETRYABLE_ERROR_CODE: string;
/** The branch a thrown value takes through the handler. */
export declare class ApplicationErrorTypes {
    static readonly DATABASE_CLIENT = "database-client";
    static readonly DATABASE_RETRYABLE = "database-retryable";
    static readonly INTENTIONAL = "intentional";
    static readonly UNEXPECTED = "unexpected";
}
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