type ResolveMenuItemIconUrlOptions = {
    iconUrl?: string | null;
    urlIconPrefix?: string;
};
/**
 * Resolve the effective sidebar icon URL from the configured prefix and the menu payload value.
 *
 * Backend menu payloads can still contain `null`, `undefined`, or their literal string forms.
 * Those values should behave as "no icon" instead of producing requests such as `.../api/v1null`.
 */
export declare function resolveMenuItemIconUrl({ iconUrl, urlIconPrefix, }: ResolveMenuItemIconUrlOptions): string;
export {};
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