import type { SyntaxNode } from './utils/ast-helpers.js';
import { SupportedLanguages } from '../../_shared/index.js';
import type { FieldExtractorContext, ExtractedFields, FieldVisibility } from './field-types.js';
/**
 * Language-specific field extractor
 */
export interface FieldExtractor {
    /** Language this extractor handles */
    language: SupportedLanguages;
    /**
     * Extract fields from a class/struct/interface declaration
     */
    extract(node: SyntaxNode, context: FieldExtractorContext): ExtractedFields | null;
    /**
     * Check if this node represents a type declaration with fields
     */
    isTypeDeclaration(node: SyntaxNode): boolean;
}
/**
 * Base class for field extractors with common utilities
 */
export declare abstract class BaseFieldExtractor implements FieldExtractor {
    abstract language: SupportedLanguages;
    abstract extract(node: SyntaxNode, context: FieldExtractorContext): ExtractedFields | null;
    abstract isTypeDeclaration(node: SyntaxNode): boolean;
    protected normalizeType(type: string | null): string | null;
    protected resolveType(typeName: string, context: FieldExtractorContext): string | null;
    protected abstract extractVisibility(node: SyntaxNode): FieldVisibility;
}