import { Grouper } from "../../data/Grouper";
import { View } from "../../data/View";
import { Instance } from "../Instance";
import { Prop, SortDirection, StructuredProp } from "../Prop";
import { RenderingContext } from "../RenderingContext";
import { ArrayAdapter, ArrayAdapterConfig, RecordStoreCache } from "./ArrayAdapter";
import { DataAdapterRecord } from "./DataAdapter";
export interface GroupKey {
    [field: string]: Prop<any> | {
        value: Prop<any>;
        direction: SortDirection;
    };
}
export interface GroupingConfig {
    key: GroupKey;
    aggregates?: StructuredProp;
    text?: Prop<string>;
    includeHeader?: boolean;
    includeFooter?: boolean;
    comparer?: ((a: any, b: any) => number) | null;
    header?: any;
    footer?: any;
}
export interface ResolvedGrouping extends GroupingConfig {
    grouper: Grouper;
}
export interface GroupData {
    $name: string;
    $level: number;
    $records: DataAdapterRecord<any>[];
    $key: string;
    [key: string]: any;
}
export interface GroupAdapterRecord<T = any> extends DataAdapterRecord<T> {
    group?: GroupData;
    grouping?: ResolvedGrouping;
    level?: number;
}
export interface GroupAdapterConfig extends ArrayAdapterConfig {
    aggregates?: StructuredProp;
    groupRecordsAlias?: string;
    groupRecordsName?: string;
    groupings?: GroupingConfig[] | null;
    groupName?: string;
}
export declare class GroupAdapter<T = any> extends ArrayAdapter<T> {
    aggregates?: StructuredProp;
    groupRecordsAlias?: string;
    groupRecordsName?: string;
    groupings?: ResolvedGrouping[] | null;
    groupName: string;
    constructor(config?: GroupAdapterConfig);
    init(): void;
    getRecords(context: RenderingContext, instance: Instance & Partial<RecordStoreCache>, records: T[], parentStore: View): DataAdapterRecord<T>[];
    protected processLevel(keys: any[], records: DataAdapterRecord<T>[], result: DataAdapterRecord<T>[], parentStore: View): void;
    groupBy(groupings: GroupingConfig[] | null): void;
}
//# sourceMappingURL=GroupAdapter.d.ts.map