import { IFieldDataType } from '../Interfaces/IFieldDataType';
import { IField } from '../Interfaces/IField';
import { IFilter } from '../../Filters/Interfaces/IFilter';
import { DataType } from '../../Enums/DataType';

export declare abstract class FieldBase<TFilter extends IFilter> implements IField, IFieldDataType {
    private _fieldLabel?;
    constructor(fieldName?: string);
    fieldName: string;
    get fieldLabel(): string | undefined;
    set fieldLabel(value: string | undefined);
    /**
     * The userCaption is used to display a custom label in the UI.
     * However, the FieldLabel is also used to display a custom label in the UI and is generated from the data provides if it exists.
     * To simplify the API, we are using the FieldLabel as the primary label and hiding UserCaption from the public API.
     * We may want to switch to the @internal tag in the future - https://www.typescriptlang.org/tsconfig/#stripInternal
     */
    private userCaption?;
    dataType: DataType;
    isCalculated: boolean;
    expression?: string;
    /**
     * Gets or sets the data filter to apply to the field.
     */
    dataFilter?: TFilter;
    private properties?;
    private tableAlias?;
    private userContext?;
}