import { Kysely, UpdateQueryBuilder, UpdateResult, Updateable } from 'kysely';
import { ParametersObject } from 'kysely-params';
import { SelectionColumn } from '../lib/type-utils.js';
import { MappingUpdateQuery } from './update-query.js';
import { ParameterizableMappingQuery } from './parameterizable-query.js';
import { CompilingMappingUpdateQuery } from './compiling-update-query.js';
import { CountTransform, UpdateTransforms } from '../mappers/table-mapper-transforms.js';
/**
 * Mapping query for updating rows into a database table,
 * updating a specified subset of the updateable columns.
 */
export declare class SubsettingMappingUpdateQuery<DB, TB extends keyof DB & string, QB extends UpdateQueryBuilder<DB, TB, TB, UpdateResult>, UpdatingObject, UpdateReturnColumns extends Readonly<SelectionColumn<DB, TB>[]> | ['*'], ReturnCount, UpdateReturn> extends MappingUpdateQuery<DB, TB, QB, UpdatingObject, UpdateReturnColumns, ReturnCount, UpdateReturn> implements ParameterizableMappingQuery {
    protected readonly columnsToUpdate: Readonly<(keyof Updateable<DB[TB]> & string)[]>;
    constructor(db: Kysely<DB>, qb: QB, columnsToUpdate: Readonly<(keyof Updateable<DB[TB]> & string)[]>, transforms: Readonly<CountTransform<ReturnCount> & UpdateTransforms<DB, TB, UpdatingObject, UpdateReturnColumns, UpdateReturn>>, returnColumns: Readonly<UpdateReturnColumns>);
    /**
     * Returns a compiling query that can be executed multiple times with
     * different parameters (if any parameters were provided), but which only
     * compiles the underlying Kysely query builder on the first execution.
     * Frees the query builder on the first execution to reduce memory usage.
     * @typeParam Parameters Record characterizing the parameter names and
     *  types that were previously embedded in the query, if any.
     * @returns A compiling update query.
     */
    compile<Parameters extends ParametersObject<Parameters> = {}>(): CompilingMappingUpdateQuery<DB, TB, QB, UpdatingObject, UpdateReturnColumns, ReturnCount, UpdateReturn, Parameters>;
    protected getUpdateColumns(): Readonly<(keyof Updateable<DB[TB]> & string)[]> | ['*'];
    protected setColumnValues(qb: UpdateQueryBuilder<DB, TB, TB, UpdateResult>, obj: Updateable<DB[TB]>): UpdateQueryBuilder<DB, TB, TB, UpdateResult>;
}
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