import { SqlComponent } from "./SqlComponent";
import { IdentifierString, ValueComponent } from "./ValueComponent";
import { FromClause, ReturningClause, SetClause, WhereClause, UpdateClause } from "./Clause";
import { WithClause } from "./Clause";
export declare class UpdateQuery extends SqlComponent {
    static kind: symbol;
    withClause: WithClause | null;
    updateClause: UpdateClause;
    setClause: SetClause;
    whereClause: WhereClause | null;
    fromClause: FromClause | null;
    returningClause: ReturningClause | null;
    /**
     * @param params.source SourceExpression (table or subquery with optional alias)
     * @param params.setClause SetClause instance or array of {column, value} pairs
     * @param params.where WHERE clause (optional)
     * @param params.from FROM clause (optional)
     * @param params.returning RETURNING clause (optional)
     */
    constructor(params: {
        withClause?: WithClause | null;
        updateClause: UpdateClause;
        setClause: SetClause | {
            column: string | IdentifierString;
            value: ValueComponent;
        }[];
        whereClause?: WhereClause | null;
        fromClause?: FromClause | null;
        returning?: ReturningClause | null;
    });
}