import { UmbLitElement } from '../../core/lit-element/index.js';
import type { UmbPropertyEditorConfigCollection, UmbPropertyEditorUiElement } from '../../core/property-editor/index.js';
import './components/input-content/index.js';
declare const UmbPropertyEditorUIContentPickerElement_base: import("../../../libs/extension-api/index.js").HTMLElementConstructor<import("../../core/validation/index.js").UmbFormControlMixinElement<import("../../core/models/index.js").UmbReferenceByUniqueAndType[] | undefined>> & typeof UmbLitElement;
/**
 * @element umb-property-editor-ui-content-picker
 */
export declare class UmbPropertyEditorUIContentPickerElement extends UmbPropertyEditorUIContentPickerElement_base implements UmbPropertyEditorUiElement {
    #private;
    /**
     * Sets the input to readonly mode, meaning value cannot be changed but still able to read and select its content.
     * @type {boolean}
     * @attr
     * @default false
     */
    readonly: boolean;
    mandatory: boolean;
    mandatoryMessage: string;
    private _type;
    private _min;
    private _minMessage;
    private _max;
    private _maxMessage;
    private _allowedContentTypeUniques?;
    private _rootUnique?;
    private _rootEntityType?;
    private _invalidData?;
    private _interactionMemories;
    constructor();
    set config(config: UmbPropertyEditorConfigCollection | undefined);
    firstUpdated(changedProperties: Map<string | number | symbol, unknown>): void;
    focus(): void | undefined;
    render(): import("lit-html").TemplateResult<1>;
    static readonly styles: import("lit").CSSResult[];
}
export { UmbPropertyEditorUIContentPickerElement as element };
declare global {
    interface HTMLElementTagNameMap {
        'umb-property-editor-ui-content-picker': UmbPropertyEditorUIContentPickerElement;
    }
}