import { Context } from '../context';
import { CellMatrix, Sheet } from '../types';

/** Default text format recorded alongside preset / value for CF date rules. */
export declare const CF_DATE_DEFAULT_FORMAT = "DD/MM/YYYY";
/** Parse strict DD/MM/YYYY to Excel serial (local calendar day). */
export declare function parseDdMmYyyyToSerial(s: string): number | null;
/** Human-readable snapshot for the given preset (evaluation still uses preset id at compute time). */
export declare function formatCfDatePresetSnapshot(preset: string): string;
export declare function parseCfDateConditionForUi(cv: any[] | undefined): {
    preset: string;
    snapshotOrExact: string;
    format: string;
};
export declare function getHistoryRules(fileH: Sheet[]): {
    sheetIndex: number;
    luckysheet_conditionformat_save: any[] | undefined;
}[];
export declare function getCurrentRules(fileC: Sheet[]): {
    sheetIndex: number;
    luckysheet_conditionformat_save: any[] | undefined;
}[];
export declare function setConditionRules(ctx: Context, protection: any, generalDialog: any, conditionformat: any, rules: any, edit?: boolean, editKey?: string): void;
export declare function getColorGradation(color1: string, color2: string, value1: number, value2: number, value: number): string;
export declare function compute(ctx: Context, ruleArr: any, d: CellMatrix): any;
export declare function getComputeMap(ctx: Context): any;
export declare function checkCF(r: number, c: number, computeMap: any): any;
export declare function updateItem(ctx: Context, type: string): void;
export declare function CFSplitRange(range1: any, range2: any, range3: any, type: string): any;