import * as i0 from "@angular/core";
export interface PivotValueDef {
    field: string;
    label?: string;
    aggregate?: 'sum' | 'count' | 'avg' | 'min' | 'max' | 'custom';
    customAggregate?: (items: Record<string, unknown>[]) => number | string;
    formatter?: (value: number | string) => string;
}
interface PivotColumn {
    key: string;
    label: string;
    isTotal?: boolean;
}
interface PivotRow {
    key: string;
    label: string;
    values: Record<string, unknown>;
    isTotal?: boolean;
}
export declare class PivotGridComponent {
    data: import("@angular/core").InputSignal<Record<string, unknown>[]>;
    rows: import("@angular/core").InputSignal<string[]>;
    columns: import("@angular/core").InputSignal<string[]>;
    values: import("@angular/core").InputSignal<PivotValueDef[]>;
    emptyValue: import("@angular/core").InputSignal<string>;
    showGrandTotals: import("@angular/core").InputSignal<boolean>;
    showFieldChooser: import("@angular/core").InputSignal<boolean>;
    isChooserOpen: import("@angular/core").WritableSignal<boolean>;
    activeRows: import("@angular/core").WritableSignal<string[]>;
    activeCols: import("@angular/core").WritableSignal<string[]>;
    activeValues: import("@angular/core").WritableSignal<PivotValueDef[]>;
    constructor();
    pivotColumns: import("@angular/core").Signal<PivotColumn[]>;
    pivotRows: import("@angular/core").Signal<PivotRow[]>;
    rowHeaderLabel(): string;
    removeRowField(field: string): void;
    removeColField(field: string): void;
    aggregateCell(row: PivotRow, column: PivotColumn, value: PivotValueDef): string | number;
    private keyFor;
    private labelFor;
    private round;
    static ɵfac: i0.ɵɵFactoryDeclaration<PivotGridComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<PivotGridComponent, "ngx-pivot-grid", never, { "data": { "alias": "data"; "required": false; "isSignal": true; }; "rows": { "alias": "rows"; "required": false; "isSignal": true; }; "columns": { "alias": "columns"; "required": false; "isSignal": true; }; "values": { "alias": "values"; "required": false; "isSignal": true; }; "emptyValue": { "alias": "emptyValue"; "required": false; "isSignal": true; }; "showGrandTotals": { "alias": "showGrandTotals"; "required": false; "isSignal": true; }; "showFieldChooser": { "alias": "showFieldChooser"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}
export {};