import type { PerformanceEntrySpan, ResourceSpan } from './spanTypes';
import type { DeriveRelationsFromPerformanceEntryFn } from './types';
/**
 * Maps Performance Entry to a Span
 * @returns The span.
 */
export declare function getSpanFromPerformanceEntry<RelationSchemasT>(inputEntry: PerformanceEntry, deriveRelationFromPerformanceEntry?: DeriveRelationsFromPerformanceEntryFn<RelationSchemasT>): PerformanceEntrySpan<RelationSchemasT> | ResourceSpan<RelationSchemasT> | undefined;