import { PropertyConfiguration, PropertyConfigurationBuilder } from './property-configuration';
import { LookupDataSource } from '@ngx-floyd/core';
import { FormlyTemplate } from './formly-template';
import { DropdownColumn } from '@ngx-floyd/forms';
export interface DropdownPropertyConfiguration<T> extends PropertyConfiguration<T> {
    dataSource(dataSource: () => LookupDataSource): this;
    cascadeFrom(...fields: ((keyof T) | MappedField<T>)[]): this;
    additionalDropdownColumns(config: (d: DropdownColumnConfiguration<T>) => DropdownColumnConfiguration<T>): this;
    hideClear(): this;
    panelClassName(className: string): this;
}
export interface MappedField<T> {
    field: keyof T;
    as: string;
}
export declare class DropdownColumnConfiguration<T> {
    columns: DropdownColumn[];
    constructor(columns: DropdownColumn[]);
    add(field: string, size?: number, format?: (value: any) => string, atIndex?: number): DropdownColumnConfiguration<T>;
    remove(field: string): DropdownColumnConfiguration<T>;
    modify(field: string, modifyFn: (column: DropdownColumn) => void): DropdownColumnConfiguration<T>;
}
export declare class DropdownPropertyConfigurationBuilder<T> extends PropertyConfigurationBuilder<T> implements DropdownPropertyConfiguration<T> {
    constructor(fieldName: keyof T, formlyTemplate: FormlyTemplate);
    hideClear(): this;
    additionalDropdownColumns(config: (d: DropdownColumnConfiguration<T>) => DropdownColumnConfiguration<T>): this;
    panelClassName(className: string): this;
    dataSource(dataSourceFactory: () => LookupDataSource): this;
    cascadeFrom(...fields: ((keyof T) | MappedField<T>)[]): this;
    private findFieldInParent;
    private findFieldInFieldGroup;
}