import { type DatabaseClient } from "../../../../core/databaseClient.js";
declare const COLUMN_CONSTRAINTS: {
    readonly PRIMARY_KEY: "p";
    readonly FOREIGN_KEY: "f";
    readonly UNIQUE: "u";
    readonly CHECK_CONSTRAINT: "c";
    readonly TRIGGER_CONSTRAINT: "t";
    readonly EXCLUSION_CONSTRAINT: "x";
};
type ColumnConstraintType = (typeof COLUMN_CONSTRAINTS)[keyof typeof COLUMN_CONSTRAINTS];
export declare function fetchTablesAndColumns(client: DatabaseClient): Promise<{
    columns: {
        identity: {
            sequenceIdentifier: string | undefined;
            generated: "ALWAYS" | "BY DEFAULT";
        } | null;
        constraints: ColumnConstraintType[];
        default: string | null;
        generated: "ALWAYS" | "NEVER";
        id: string;
        maxLength: number | null;
        name: string;
        nullable: boolean;
        schema: string;
        table: string;
        type: string;
        typeCategory: "V" | "A" | "S" | "N" | "T" | "P" | "U" | "I" | "B" | "C" | "D" | "E" | "G" | "R" | "X" | "Z";
        typeId: string;
    }[];
    bytes: number;
    id: string;
    name: string;
    partitioned: boolean;
    rows: number | null;
    schema: string;
}[]>;
export {};