/**
 * Deprecation Warning Utilities
 *
 * Provides a consistent way to warn about deprecated API usage.
 * Warnings are emitted once per deprecated pattern per session to avoid log spam.
 */
/**
 * Emit a deprecation warning (once per pattern per session).
 *
 * @param oldName - The deprecated API or property name
 * @param newName - The recommended replacement (optional)
 * @param migrationTip - Additional guidance for migration (optional)
 */
export declare function warnDeprecated(oldName: string, newName?: string, migrationTip?: string): void;
/**
 * Reset the warned-patterns set (useful for testing).
 */
export declare function _resetDeprecationWarningsForTesting(): void;
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