export declare const WEIGHT_COL_NAME_DEFAULT = "Weight";
/**
 * Returns weights for each schema in the list. SQL query in weightSql should
 * return a numeric value with optional units after it; the units should be the
 * same in all responses and are ignored while sorting.
 */
export declare function getSchemaWeights({ dsn, schemas, weightSql, verbose, }: {
    dsn: string;
    schemas: string[];
    weightSql: string | undefined;
    verbose?: boolean;
}): Promise<Map<string, {
    weightColName: string;
    weight: number;
    appliedFactor: number;
    unit: string | undefined;
    other: Record<string, string>;
}>>;
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