/**
 * Jest Setup Helper Utility
 * Provides common Jest configuration patterns used across setup files
 */
/**
 * Configures Jest global settings with safe method checking
 * This replaces the common pattern of manual jest method validation
 *
 * @param jestRef - Jest reference (global or from @jest/globals)
 * @param timeout - Optional timeout value in milliseconds (default: 10000)
 */
export declare function configureJestGlobals(jestRef: any, timeout?: number): void;
/**
 * Safely clears all Jest mocks with method validation
 * This replaces the common pattern of manual jest method validation
 *
 * @param jestRef - Jest reference (global or from @jest/globals)
 */
export declare function clearJestMocks(jestRef: any): void;
/**
 * Gets Jest reference safely from multiple sources
 * @param globalJest - Global jest reference
 * @param jestFromGlobals - Jest from @jest/globals
 * @returns Safe Jest reference or null
 */
export declare function getJestRef(globalJest: any, jestFromGlobals: any): any;
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