/**
 * Sets a custom dimension value to be used later.
 */
export declare function setCustomDimensionValue(customDimensionId: string | number, customDimensionValue: string): void;
/**
 * Removes a custom dimension with the specified ID.
 */
export declare function deleteCustomDimension(customDimensionId: string | number): void;
/**
 * Returns the value of a custom dimension with the specified ID.
 */
export declare function getCustomDimensionValue(customDimensionId: string | number): Promise<string | undefined>;