import { FrontierState } from '../../frontier-state.js';
/**
 * Strategy for detecting overlap between seed search regions during expansion.
 *
 * Called during node expansion to determine if a newly discovered node
 * represents an overlap event that should be tracked.
 *
 * @template TFrontier - Type of frontier state (for type safety)
 */
export interface OverlapDetectionStrategy {
    /**
     * Strategy identifier for naming SUT variants.
     */
    readonly id: string;
    /**
     * Check if adding this node creates overlap with other frontiers.
     *
     * @param targetId - Node being added to active frontier
     * @param activeFrontier - The frontier that is expanding
     * @param allFrontiers - All frontiers in the expansion
     * @param nodeToFrontierIndex - O(1) map tracking which frontier owns each node
     * @returns Array of frontier indices that overlap with active frontier
     */
    detectOverlap(targetId: string, activeFrontier: FrontierState, allFrontiers: FrontierState[], nodeToFrontierIndex: Map<string, number>): number[];
}
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