export type QuarkTimeRangeKind = "relative" | "calendar" | "absolute";
export interface QuarkTimeRangeValue {
    start: number;
    end: number;
    kind: QuarkTimeRangeKind;
    label: string;
    preset?: string;
}
export interface QuarkTimeRangePreset {
    key: string;
    label: string;
    group: "relative" | "calendar";
    durationSeconds?: number;
    resolve: (baseTime: number, maxTime: number) => {
        start: number;
        end: number;
    };
}
export declare const defaultQuarkTimeRangePresets: QuarkTimeRangePreset[];
export declare function formatQuarkTimeRange(timestampValue: number): string;
export declare function toQuarkDateTimeLocal(timestampValue: number): string;
export declare function fromQuarkDateTimeLocal(value: string): number | null;
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