import type { SyntaxNode } from 'tree-sitter';
import type { Definition } from '../../definition-extractor.js';
import type { FileReference, InternalSymbolUsage } from '../../reference-extractor.js';
/**
 * Extract all Ruby references from an AST.
 * Handles:
 * - require 'something' → external gem or internal file
 * - require_relative '../path' → relative file
 * - include/extend/prepend ModuleName → mixin references
 * - Basic Rails autoloading: User → app/models/user.rb
 */
export declare function extractRubyReferences(rootNode: SyntaxNode, filePath: string, knownFiles: Set<string>): FileReference[];
/**
 * Resolve a require_relative path to an absolute file path (exported for use in RubyAdapter).
 */
export declare function resolveRubyImportPath(source: string, fromFile: string, knownFiles: Set<string>): string | null;
/**
 * Extract internal symbol usages from a Ruby AST.
 *
 * Detects:
 * 1. Method calls without explicit receiver (implicit self): `validate_email(email)`
 * 2. Method calls with explicit `self` receiver: `self.validate_email(email)`
 * 3. `super` calls — mapped to the enclosing method's name as a reference to parent class method
 *
 * @param rootNode - The root of the parsed Ruby AST
 * @param definitions - All definitions extracted from the same file
 * @returns Array of InternalSymbolUsage entries
 */
export declare function extractRubyInternalUsages(rootNode: SyntaxNode, definitions: Definition[]): InternalSymbolUsage[];
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