/**
 * `codebase-impact-analysis` tool — calculate the blast radius and breaking change risk of modifying a symbol.
 *
 * Usage: codebase-impact-analysis({
 *   symbol: string,           // name of the function, method, class, or type to analyze
 *   file?: string,            // optional file path to disambiguate
 *   transitive?: boolean,     // traverse transitive callers (default: true)
 * })
 */
import type { Tool } from '@wrongstack/core/types';
export interface ImpactAnalysisInput {
    /** The symbol name (function, method, class, interface, type) to analyze. */
    symbol: string;
    /** Optional file path to disambiguate when multiple symbols share a name. */
    file?: string | undefined;
    /** Whether to traverse transitive callers (callers of callers). Defaults to true. */
    transitive?: boolean | undefined;
}
export type CodebaseImpactAnalysisInput = ImpactAnalysisInput;
export interface ImpactCallSite {
    file: string;
    line: number;
    callerName: string;
    callerKind: string;
    callType: string;
    isTest: boolean;
    /** A caller of a caller: reached through the transitive tree, not a direct use. */
    indirect?: boolean | undefined;
}
export interface ImpactAnalysisOutput {
    status: 'ok';
    symbol: string;
    riskLevel: 'low' | 'medium' | 'high';
    summary: string;
    totalCallSites: number;
    affectedProductionFiles: string[];
    affectedTestFiles: string[];
    callSites: ImpactCallSite[];
    recommendedActionPlan: string[];
    /** False when the symbol could not be resolved in the index. */
    symbolFound?: boolean;
    /** True when a previous generation's cached answer was served during a refresh. */
    stale?: boolean | undefined;
}
export type CodebaseImpactAnalysisOutput = ImpactAnalysisOutput;
/** Whether a project-relative path looks like a test, fixture, mock, or bench file. */
export declare function isTestFilePath(relPath: string): boolean;
export declare const codebaseImpactAnalysisTool: Tool<ImpactAnalysisInput, ImpactAnalysisOutput>;
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