/**
 * Extracts only the relation fields from the GraphQL type map.
 * @param {Map<string, any>} typeMap - The GraphQL schema TypeMap.
 * @returns {Map<string, Map<string, string>>} A map where each key is an entity name, and the values are a map of relation fields and their corresponding entity type.
 */
export declare function extractRelationsFromGQL(typeMap: Map<string, any>): Map<string, Map<string, string>>;
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