/**
 * Shared GA4 error formatting and identifier normalization.
 *
 * `formatGa4Error` and `toPropertyName` were duplicated byte-for-byte in the
 * ga4Admin and ga4Data tool modules. They are extracted here unchanged so the
 * `"<tool> failed: <message>"` text and the scope hint stay identical to the
 * previous inline form.
 */
/**
 * Format a GA4 Admin error. When the failure is a missing-scope / permission
 * problem, append a hint pointing at the read-only analytics scope so users
 * know to re-consent rather than chasing a GA4 permissions red herring.
 */
export declare function formatGa4Error(toolName: string, err: unknown): string;
/** Normalize a property identifier into the API's `properties/{id}` form. */
export declare function toPropertyName(property: string): string;
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