export type OpeningHoursFeedbackItem = {
    /** Fragment from the input that triggered the issue (before `<---`). */
    reference: string | null;
    /** Human-readable explanation without wrapping parentheses. */
    detail: string;
};
export type ConditionalValidationResult = {
    severity: 'none' | 'warning' | 'error';
    messages: OpeningHoursFeedbackItem[];
};
export type ValidateConditionalOpeningHoursOptions = {
    requestedLocale?: string;
    countryCode?: string;
    state?: string;
};
/**
 * opening_hours.js messages we hide in the UI (not relevant for *:conditional on signs).
 * Matched by detail prefix after parsing.
 */
export declare const SKIPPABLE_OPENING_HOURS_MESSAGE_PREFIXES: readonly ["Es wurde keine Regel für \"PH\" (feiertags) angegeben."];
export declare const shouldSkipOpeningHoursMessage: (detail: string) => boolean;
export declare const partitionOpeningHoursMessages: (messages: OpeningHoursFeedbackItem[]) => {
    displayed: OpeningHoursFeedbackItem[];
    skipped: OpeningHoursFeedbackItem[];
};
/**
 * Parses opening_hours.js feedback. Uses balanced parentheses because detail text
 * often contains nested "(feiertags)" etc. — a naive `\([^)]*\)` match truncates.
 */
export declare const parseOpeningHoursFeedbackMessage: (message: string) => OpeningHoursFeedbackItem[];
/** Parses one chunk into reference + detail (strips wrapping parentheses). */
export declare const parseOpeningHoursFeedbackChunk: (chunk: string) => OpeningHoursFeedbackItem;
/** Splits concatenated opening_hours.js feedback into separate raw chunks. */
export declare const splitOpeningHoursFeedbackMessage: (message: string) => string[];
export declare const flattenOpeningHoursMessages: (messages: string[]) => OpeningHoursFeedbackItem[];
export declare const normalizeOpeningHoursLocale: (requestedLocale?: string) => string;
export declare const validateConditionalOpeningHours: (input: string, opts?: ValidateConditionalOpeningHoursOptions) => ConditionalValidationResult;
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