import { DataType } from '../types/data_type';
export declare enum ColumnAlignment {
    None = 0,
    Left = 1,
    Center = 2,
    Right = 3
}
export interface DataColumnStyle {
    alignment?: ColumnAlignment;
}
export interface DataColumnDescriptor {
    /** Represents the internal column ID. */
    id: string;
    /** Represents the ID of the metadata attribute this column is based on. */
    originAttrId?: string;
    /** The type of data represented by the column. */
    type?: DataType;
    /** The label that is used for this column in UI. */
    label: string;
    /** Indicates whether this column is an aggregate one. */
    isAggr?: boolean;
    /** The display format for the column. */
    dfmt?: string;
    gfct?: string;
    /** The style of the column to display in UI. */
    style?: DataColumnStyle;
    /** The detailed column description. */
    description?: string | null;
}
export declare class DataColumn {
    /** The type of data represented by the column. */
    readonly type: DataType;
    /** Represents the internal column ID. */
    readonly id: string;
    /** Indicates whether this column is an aggregate one. */
    readonly isAggr: boolean;
    /** Represents the ID of the metadata attribute this column is based on. */
    readonly originAttrId?: string;
    /** The label that is used for this column in UI. */
    label: string;
    /** The display format for the column. */
    displayFormat?: string;
    groupFooterColumnTemplate?: string;
    /** The style of the column to display in UI. */
    style?: DataColumnStyle;
    /** The column description. */
    description: string | null;
    calculatedWidth: number;
    constructor(desc: DataColumnDescriptor);
}
export declare class DataColumnList {
    private items;
    private mapper;
    private _dateColumnIdx;
    constructor();
    get count(): number;
    add(colOrDesc: DataColumn | DataColumnDescriptor): number;
    private updateDateColumnIdx;
    put(index: number, col: DataColumn): void;
    move(col: DataColumn, newIndex: number): void;
    get(index: number): DataColumn;
    getIndex(id: string): number | undefined;
    getItems(): DataColumn[];
    getDateColumnIndexes(): number[];
    removeAt(index: number): void;
    clear(): void;
}