import type { ChainExecution, ChainStep, PreTool } from "./types.js";
export declare function checkSSRF(urlStr: string): Promise<void>;
export interface ClaudeResult {
    stdout: string;
    durationMs: number;
    inputTokens?: number;
    outputTokens?: number;
}
/** Signature for the Claude runner function passed in by the caller. */
export type ClaudeRunner = (prompt: string, step: ChainStep, onChunk: (chunk: string) => void, executionId?: string) => Promise<ClaudeResult>;
export declare function clearPreToolCache(): number;
export declare function getPreToolCacheSize(): number;
export declare function executeSinglePreTool(tool: PreTool, vars: Record<string, string>, onLog: (message: string, level: "info" | "warn" | "error") => void, execution?: ChainExecution, executionId?: string, step?: ChainStep, claudeRunner?: ClaudeRunner): Promise<string>;
export declare function executePreTools(preTools: PreTool[], vars: Record<string, string>, onLog: (message: string, level: "info" | "warn" | "error") => void, execution?: ChainExecution, executionId?: string, step?: ChainStep, claudeRunner?: ClaudeRunner, 
/** Set of denied tool IDs (e.g. "pre:bash", "mcp:sports-hub"). Pass "*" to block all. */
deniedSet?: Set<string>): Promise<Record<string, string>>;
/** Execute a single pre-tool with retry logic and error handling. */
export declare function executePreToolWithRetry(tool: PreTool, vars: Record<string, string>, onLog: (message: string, level: "info" | "warn" | "error") => void, execution?: ChainExecution, executionId?: string, step?: ChainStep, claudeRunner?: ClaudeRunner): Promise<string>;