import type { Nullable } from "../../../base-types";
import { PropertyDefinition } from "../property-definition";
import { StringContentType } from "../string-content-type";
/**
 *
 * String property definition.
 */
export declare class StringPropertyDefinition extends PropertyDefinition {
    /**
     * Describes how the content should be displayed.
     */
    contentType: StringContentType;
    /**
     * A regular expression that must match the value of the property. If set to null the value is not checked.
     */
    validationExpression: Nullable<string>;
    /**
     * The name of the {@link IDataSource} to get possible values from.
     *
     * @remarks
     * Is null when there is no attached datasource.
     */
    dataSourceName: Nullable<string>;
    /**
     * The name of the {@link IOptionList} to get possible values from.
     *
     * @remarks
     * Is null when there is no attached option list.
     */
    get optionListName(): Nullable<string>;
    set optionListName(value: Nullable<string>);
    constructor(name: string, init?: Omit<Partial<StringPropertyDefinition>, "name">);
}