import type { Adapter } from "../../adapter.js";
/**
 * Resolve the adapter firing the hook. The dispatcher binary is always
 * invoked with `--adapter <name>` per the current wiring in each adapter's
 * settings file. Returns null when the flag is absent; caller falls through to
 * the environment fallback or skips emission.
 */
export declare function detectAdapter(argv: readonly string[]): Adapter | null;
/**
 * On a host wired for multiple adapters, Cursor also executes the Claude Code
 * project hooks, piping them the same payload as its own hooks. Recording that
 * stray `--adapter claude-code` dispatch mints a twin generation for the same
 * instance (plus a stream of missing_session_start diagnostics), so the hook
 * CLI skips it entirely.
 *
 * Detection reads the payload, not the environment: every hook payload Cursor
 * emits carries a top-level `cursor_version` string (its dispatch envelope),
 * and no Claude Code payload does. Environment sniffing cannot make this call
 * in either direction — Cursor's own hook processes do not carry CURSOR_AGENT
 * (only its agent tool shells do), and a genuine Claude Code session nested
 * under a Cursor agent shell inherits Cursor-flavored variables it must not
 * be skipped for. The check is the top-level key only: a Claude Code payload
 * whose tool_input merely mentions the string must not match.
 */
export declare function shouldSkipHookAdapter(adapter: Adapter | null, rawPayload: string): boolean;
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