import { AnnotationsMarkerConfig, AnnotationsMarkerProps } from '../types/annotations-marker-props.js';
import { AnnotationsTrackProps } from '../types/annotations-track-props.js';
/**
 * Populates missing marker props with defaults
 * Overrides missing marker props (color, symbol) with track props.
 * Marker props have higher priority than track's.
 *
 * @param marker - marker to override
 * @param trackProps - track props
 * @returns overridden marker
 */
export declare const populateMissingMarkerProps: (marker: AnnotationsMarkerProps, trackProps: AnnotationsTrackProps) => AnnotationsMarkerConfig;