import { ChangeDetectorRef, ElementRef, OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
export declare type SparklineType = 'line' | 'bar' | 'column';
export declare class SparklineComponent implements OnChanges, OnDestroy {
    private _elementRef;
    private _cd;
    type: SparklineType;
    values?: (number | null)[];
    min: number | null;
    max?: number | null;
    palette?: string[];
    width?: string;
    markers: number | false;
    private static readonly DefaultMarkerSize;
    contentWidth: number;
    contentHeight: number;
    private _resizeObserver;
    constructor(_elementRef: ElementRef, _cd: ChangeDetectorRef);
    ngOnDestroy(): void;
    ngOnChanges(_changes: SimpleChanges): void;
    getColor(i?: number): string | undefined;
    getLineHeight(): string;
    getBarWidth(value: number): number;
    getColumnHeight(value: number): number;
    private getLinePoints;
    getLinePath(): string;
    getMarkersPath(): string;
    columnTrackByIndex(i: number): number;
    private handleResize;
}