/**
 * Thanks flag value to label converter.
 *
 * Converts numeric thanks flag codes from the ProtoPedia API to labels.
 *
 * This flag controls whether the "Thank you for posting" message has been shown.
 *
 * @module utils/converters/thanks-flag
 */
import type { ThanksFlagCode } from '../../types/codes.js';
/**
 * Convert thanks flag code to label.
 *
 * @param thanksFlag - Thanks flag from NormalizedPrototype.thanksFlg (may be undefined for old data)
 * @returns Label or the numeric value as string, or '不明' for undefined
 *
 * @example
 * ```typescript
 * getPrototypeThanksFlagLabel(1); // => '初回表示済'
 * getPrototypeThanksFlagLabel(0); // => '0'
 * getPrototypeThanksFlagLabel(undefined); // => '不明'
 * ```
 */
export declare const getPrototypeThanksFlagLabel: (thanksFlag: ThanksFlagCode) => string;
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