import * as DG from 'datagrok-api/dg';
import { Observable, Subject } from 'rxjs';
export declare class SchemaEditor extends DG.Widget {
    get type(): string;
    table: PropertyTable<DG.IProperty>;
    allowedTypes: string[];
    properties: DG.IProperty[];
    extraPropertiesDiv: HTMLDivElement;
    extraProperties: string[];
    constructor(options: {
        properties: DG.IProperty[];
        extraPropertiesDiv?: HTMLDivElement;
        allowRemove?: boolean;
        extraProperties?: string[];
    });
}
export type TableFromPropertiesOptions<T = any> = {
    items: T[];
    mainProperties: DG.IProperty[];
    extraProperties?: DG.IProperty[];
    allowAdd?: boolean;
    allowRemove?: boolean;
    createNew?: () => T;
};
export declare class PropertyTable<T = any> extends DG.Widget {
    data: TableFromPropertiesOptions;
    get type(): string;
    table?: HTMLTableElement;
    onSelected: Subject<T>;
    onItemChanged: Subject<T>;
    onItemAdded: Subject<T>;
    onItemRemoved: Subject<T>;
    /** Any change (ItemChanged, ItemAdded, ItemRemoved) */
    get onChanged(): Observable<T>;
    constructor(data: TableFromPropertiesOptions);
    refresh(): void;
}
export declare class PropertyValidator {
    static NOT_EMPTY: string;
    static validators: {
        [name: string]: (value: any) => string | null;
    };
    static getValidator(obj: any, prop: DG.IProperty, expression: string): ((value: any) => string | null);
    static registerValidator(name: string, validator: ((x: any) => string | null)): void;
}
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