import type { MonographEdge, MonographNode } from '../../types.js';
import type { FieldDef } from './orm.js';
export declare function addField(entityName: string, fieldName: string, fieldType: string, filePath: string, language: string, entityNodeId: string, fields: FieldDef[], fieldNodes: MonographNode[], edges: MonographEdge[]): void;
/**
 * Extracts a balanced brace block from source starting at the position of the
 * opening `{`. Returns the content between the braces (not including the braces).
 */
export declare function extractBraceBlock(source: string, openPos: number, maxLen: number): string | undefined;
export declare function safeReadSource(absPath: string, maxBytes: number): string | undefined;
export declare function langFromExt(ext: string): string;
//# sourceMappingURL=orm-helpers.d.ts.map