import { BehaviorSubject } from 'rxjs';
import { GridOptions, IGridDataEntry } from '../models';
/**
 * @ignore
 * @internal
 */
type PropertyMap<T> = {
    [Key in keyof T]?: PropertyMap<T[Key]>;
};
type StringOrNumberKeyOf<T> = keyof T & (string | number);
/**
 * The data manager increases rendering performance drastically updating the dataset.
 * By updating the references directly (when having set useCache: true – default: false)
 * * the renderer will update the invidivual cells rather than redraw the entire row
 * * increasing / decreasing data count will result in less node insertion / removal
 *
 * @export
 * @ignore
 * @internal
 */
export declare class DataManager<T extends IGridDataEntry, K extends StringOrNumberKeyOf<T> = StringOrNumberKeyOf<T>> {
    useCache: boolean;
    idProperty: K;
    get length(): number;
    pristine: boolean;
    data$: BehaviorSubject<T[]>;
    getProperty: {
        <TObject extends object, TKey extends keyof TObject>(object: TObject, path: TKey | [TKey]): TObject[TKey];
        <TObject_1 extends object, TKey_1 extends keyof TObject_1>(object: TObject_1 | null | undefined, path: TKey_1 | [TKey_1]): TObject_1[TKey_1] | undefined;
        <TObject_2 extends object, TKey_2 extends keyof TObject_2, TDefault>(object: TObject_2 | null | undefined, path: TKey_2 | [TKey_2], defaultValue: TDefault): TDefault | Exclude<TObject_2[TKey_2], undefined>;
        <TObject_3 extends object, TKey1 extends keyof TObject_3, TKey2 extends keyof TObject_3[TKey1]>(object: TObject_3, path: [TKey1, TKey2]): TObject_3[TKey1][TKey2];
        <TObject_4 extends object, TKey1_1 extends keyof TObject_4, TKey2_1 extends keyof TObject_4[TKey1_1]>(object: TObject_4 | null | undefined, path: [TKey1_1, TKey2_1]): TObject_4[TKey1_1][TKey2_1] | undefined;
        <TObject_5 extends object, TKey1_2 extends keyof TObject_5, TKey2_2 extends keyof TObject_5[TKey1_2], TDefault_1>(object: TObject_5 | null | undefined, path: [TKey1_2, TKey2_2], defaultValue: TDefault_1): TDefault_1 | Exclude<TObject_5[TKey1_2][TKey2_2], undefined>;
        <TObject_6 extends object, TKey1_3 extends keyof TObject_6, TKey2_3 extends keyof TObject_6[TKey1_3], TKey3 extends keyof TObject_6[TKey1_3][TKey2_3]>(object: TObject_6, path: [TKey1_3, TKey2_3, TKey3]): TObject_6[TKey1_3][TKey2_3][TKey3];
        <TObject_7 extends object, TKey1_4 extends keyof TObject_7, TKey2_4 extends keyof TObject_7[TKey1_4], TKey3_1 extends keyof TObject_7[TKey1_4][TKey2_4]>(object: TObject_7 | null | undefined, path: [TKey1_4, TKey2_4, TKey3_1]): TObject_7[TKey1_4][TKey2_4][TKey3_1] | undefined;
        <TObject_8 extends object, TKey1_5 extends keyof TObject_8, TKey2_5 extends keyof TObject_8[TKey1_5], TKey3_2 extends keyof TObject_8[TKey1_5][TKey2_5], TDefault_2>(object: TObject_8 | null | undefined, path: [TKey1_5, TKey2_5, TKey3_2], defaultValue: TDefault_2): TDefault_2 | Exclude<TObject_8[TKey1_5][TKey2_5][TKey3_2], undefined>;
        <TObject_9 extends object, TKey1_6 extends keyof TObject_9, TKey2_6 extends keyof TObject_9[TKey1_6], TKey3_3 extends keyof TObject_9[TKey1_6][TKey2_6], TKey4 extends keyof TObject_9[TKey1_6][TKey2_6][TKey3_3]>(object: TObject_9, path: [TKey1_6, TKey2_6, TKey3_3, TKey4]): TObject_9[TKey1_6][TKey2_6][TKey3_3][TKey4];
        <TObject_10 extends object, TKey1_7 extends keyof TObject_10, TKey2_7 extends keyof TObject_10[TKey1_7], TKey3_4 extends keyof TObject_10[TKey1_7][TKey2_7], TKey4_1 extends keyof TObject_10[TKey1_7][TKey2_7][TKey3_4]>(object: TObject_10 | null | undefined, path: [TKey1_7, TKey2_7, TKey3_4, TKey4_1]): TObject_10[TKey1_7][TKey2_7][TKey3_4][TKey4_1] | undefined;
        <TObject_11 extends object, TKey1_8 extends keyof TObject_11, TKey2_8 extends keyof TObject_11[TKey1_8], TKey3_5 extends keyof TObject_11[TKey1_8][TKey2_8], TKey4_2 extends keyof TObject_11[TKey1_8][TKey2_8][TKey3_5], TDefault_3>(object: TObject_11 | null | undefined, path: [TKey1_8, TKey2_8, TKey3_5, TKey4_2], defaultValue: TDefault_3): TDefault_3 | Exclude<TObject_11[TKey1_8][TKey2_8][TKey3_5][TKey4_2], undefined>;
        <T_1>(object: import("lodash").NumericDictionary<T_1>, path: number): T_1;
        <T_2>(object: import("lodash").NumericDictionary<T_2> | null | undefined, path: number): T_2 | undefined;
        <T_3, TDefault_4>(object: import("lodash").NumericDictionary<T_3> | null | undefined, path: number, defaultValue: TDefault_4): T_3 | TDefault_4;
        <TDefault_5>(object: null | undefined, path: import("lodash").PropertyPath, defaultValue: TDefault_5): TDefault_5;
        (object: null | undefined, path: import("lodash").PropertyPath): undefined;
        (object: any, path: import("lodash").PropertyPath, defaultValue?: any): any;
    };
    private _hashMap;
    constructor(options?: GridOptions<T>);
    forEach: (callbackfn: (value: T, index: number, array: T[]) => void) => void;
    some: (callbackfn: (value: T, index: number, array: T[]) => boolean) => boolean;
    every: (callbackfn: (value: T, index: number, array: T[]) => boolean) => boolean;
    indexOf(entry: T): number;
    find: <R extends T[K]>(entryId: R) => T | undefined;
    get: (index: number) => T;
    patchRow(id: T[K], patch: PropertyMap<T>): void;
    update(data: T[] | null): void;
    destroy(): void;
    hashTrack: (_: number | undefined | null, entry: T) => string | T[K] | undefined;
    private _hash;
    private _emit;
}
export {};