export interface EntEntity {
    classname?: string;
    properties: Record<string, string>;
}
export interface ValidationResult {
    valid: boolean;
    errors: string[];
    warnings: string[];
}
/**
 * Parses an ENT entity lump string into an array of entity objects.
 *
 * @param text The ENT file content (string).
 * @returns Array of parsed entities with properties.
 */
export declare function parseEntLump(text: string): EntEntity[];
/**
 * Serializes an array of entities to the ENT file format.
 *
 * @param entities Array of entities to serialize.
 * @returns The ENT string.
 */
export declare function serializeEntLump(entities: EntEntity[]): string;
/**
 * Validates an entity against basic rules.
 *
 * @param entity The entity to validate.
 * @returns validation result
 */
export declare function validateEntity(entity: EntEntity): ValidationResult;
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