/** @packageDocumentation
 * @module Utilities
 */
/** A helper function used to get the active viewport in conditional definitions.
 * Uses the deprecated active content control APIs to get the active viewport or the selected view of the view manager as a fallback.
 * @note Might need a better strategy for a use case where selected view fallback behavior is not desired (i.e. a map of active content id to a viewport).
 * @internal
 */
export declare function getActiveViewport(): import("@itwin/core-frontend").ScreenViewport | undefined;
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