/**
 * Environment Snapshot
 *
 * Captures runtime versions (Node.js, Python, Ruby, Go, Rust, Java, etc.)
 * at capture time. On replay, compares against the replayer's environment
 * and warns about mismatches that could affect reproduction.
 */
interface RuntimeVersion {
    name: string;
    version: string;
    path?: string;
}
export interface EnvSnapshot {
    /** Node.js runtime */
    node: RuntimeVersion | null;
    /** Python runtime */
    python: RuntimeVersion | null;
    /** Ruby runtime */
    ruby: RuntimeVersion | null;
    /** Go runtime */
    go: RuntimeVersion | null;
    /** Rust/cargo runtime */
    rust: RuntimeVersion | null;
    /** Java runtime */
    java: RuntimeVersion | null;
    /** OS info */
    os: {
        platform: string;
        release: string;
        arch: string;
    };
    /** npm version (if available) */
    npm: RuntimeVersion | null;
    /** pip version (if available) */
    pip: RuntimeVersion | null;
}
/**
 * Captures the current development environment snapshot.
 * Each probe is fast (<100ms) and never throws.
 */
export declare function captureEnvSnapshot(): EnvSnapshot;
/**
 * Compares two environment snapshots and returns mismatches.
 */
export declare function compareEnvSnapshots(captured: EnvSnapshot, current: EnvSnapshot): EnvMismatch[];
export interface EnvMismatch {
    runtime: string;
    severity: 'error' | 'warning' | 'info';
    message: string;
    capturedVersion: string | null;
    currentVersion: string | null;
}
export {};
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