import { type ToolDefinition } from '@opencode-ai/plugin';
/**
 * Call Graph — Native tool using @ast-grep/napi tree-sitter
 *
 * Extracts call relationships from TypeScript/JavaScript files and builds
 * an in-memory adjacency list for query operations.
 *
 * Tools:
 * - call_graph_extract: Extract all calls from a single file
 * - call_graph_callees: Who does this function call?
 * - call_graph_callers: Who calls this function?
 * - call_graph_path: Shortest call path between two functions
 */
interface CallSite {
    callee: string;
    caller: string;
    line: number;
    col: number;
    type: 'call' | 'method' | 'constructor' | 'require' | 'import';
    file: string;
}
interface SymbolEntry {
    callers: Set<string>;
    callees: Set<string>;
}
interface CallGraph {
    symbols: Map<string, SymbolEntry>;
    fileIndex: Map<string, CallSite[]>;
}
/**
 * Extract all call sites from a single file.
 * Uses @ast-grep/napi for AST pattern matching.
 */
export declare function extractCalls(filePath: string): CallSite[];
/**
 * Build an in-memory call graph from all source files in a directory.
 * Returns an adjacency list keyed by symbol name.
 */
export declare function buildCallGraph(rootPath: string): CallGraph;
export interface CalleeInfo {
    name: string;
    type: string;
    line: number;
    file: string;
}
/**
 * Get all functions that `functionName` calls (callees).
 */
export declare function getCallees(functionName: string, rootPath: string): CalleeInfo[];
/**
 * Get all functions that call `functionName` (callers).
 */
export declare function getCallers(functionName: string, rootPath: string): CalleeInfo[];
/**
 * Find the shortest call path from `from` to `to` using BFS.
 * Returns array of symbol names representing the path, or null if no path.
 */
export declare function getCallPath(from: string, to: string, rootPath: string): string[] | null;
export declare const callGraphExtractTool: ToolDefinition;
export declare const callGraphCalleesTool: ToolDefinition;
export declare const callGraphCallersTool: ToolDefinition;
export declare const callGraphPathTool: ToolDefinition;
export {};