/**
 * An ESM module loader for Azure Function Core.
 * @returns The Azure Functions Core module if it exists, otherwise undefined
 */
export declare function loadAzureFunctionCore(): ReturnType<typeof require>;
/**
 * A polyfill for __dirname in ESM.
 *
 * @returns The directory name of the current module.
 */
export declare function dirName(): string;
/**
 * Returns the current module URL for loader registration scenarios.
 * Used by the instrumentation loader to register Node.js module hooks.
 * @internal
 */
export declare function getModuleParentURL(): string;
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