import { TIMEOUT_EXIT_CODE, type BashExecutionRequest, type BashHookContext, type BashHookResult, type BashProcessResult } from "./bash-types.js";
interface ExecutionContext {
    worktreeDir: string;
    gitCommonDir?: string;
    resolvedFromGit: boolean;
}
interface ExecutionContextResolver {
    execFileSync(command: string, args: string[], options: {
        cwd: string;
        encoding: "utf8";
        stdio: ["ignore", "pipe", "ignore"];
    }): string;
}
interface SerializeContextResult {
    payload: string;
    truncated: boolean;
}
export declare function serializeContextForStdinDetailed(context: BashHookContext): SerializeContextResult;
export declare function serializeContextForStdin(context: BashHookContext): string;
/**
 * Given a Buffer and a desired maximum byte length, return the largest length
 * `<= maxBytes` that does not split a UTF-8 codepoint sequence. UTF-8
 * continuation bytes match `0b10xxxxxx`; a starter byte is anything else.
 *
 * The marker text we append after truncation is itself ASCII (<= 0x7F), so we
 * only need to walk back as far as the most recent starter byte and verify
 * that the codepoint it begins is fully present in the slice.
 */
export declare function trimToUtf8Boundary(chunk: Buffer, maxBytes: number): number;
export declare function executeBashHook(request: BashExecutionRequest): Promise<BashHookResult>;
export declare function mapBashProcessResultToHookResult(result: BashProcessResult, context: BashHookContext): BashHookResult;
export declare function isBlockingToolBeforeEvent(event: string): boolean;
export declare function buildBashEnvironment(inheritedEnv: NodeJS.ProcessEnv, contextEnv: Record<string, string>): NodeJS.ProcessEnv;
export declare function redactSensitiveContent(value: string): string;
export declare function resetExecutionContextCacheForTests(): void;
/**
 * Test-only override for the cache clock. Allows tests to advance virtual
 * time past the TTL without sleeping. Always paired with
 * `resetExecutionContextCacheForTests()` afterwards.
 */
export declare function setExecutionContextNowForTests(now: () => number): void;
export declare function resolveExecutionContext(projectDir: string, resolver?: ExecutionContextResolver): ExecutionContext;
export { TIMEOUT_EXIT_CODE };