import { AnalysisParams } from "../analysis-types.mjs";
import { ComparisonMode, ResolveWindowOptions, ResolvedWindow, WindowPreset, resolveWindow } from "gscdump/dates";
export interface AnalysisPeriod {
  startDate: string;
  endDate: string;
}
export interface ComparisonPeriod {
  current: AnalysisPeriod;
  previous: AnalysisPeriod;
}
export declare function defaultEndDate(): string;
export declare function periodOf(params: AnalysisParams): AnalysisPeriod;
export declare function comparisonOf(params: AnalysisParams): ComparisonPeriod;
export interface PadTimeseriesOptions<T> {
  /** ISO date (YYYY-MM-DD), inclusive lower bound. */
  startDate: string;
  /** ISO date (YYYY-MM-DD), inclusive upper bound. */
  endDate: string;
  /**
   * Row to insert for missing dates. Defaults to `{ clicks: 0, impressions: 0, ctr: 0, position: 0 }`.
   * The `date` field is set automatically.
   */
  fill?: Omit<T, 'date'>;
  /** Row-field that carries the ISO date. Defaults to `date`. */
  dateKey?: string;
}
type DateRowShape = Record<string, unknown> & {
  date?: unknown;
};
/**
 * Pad rows so every calendar day in `[startDate, endDate]` appears at least
 * once. Existing dates keep all their rows (grouped timeseries safe).
 */
export declare function padTimeseries<T extends DateRowShape = DateRowShape>(rows: readonly T[], options: PadTimeseriesOptions<T>): T[];
export { type ComparisonMode, type ResolveWindowOptions, type ResolvedWindow, type WindowPreset, resolveWindow };