import type { DriverEventEnvelope, RuntimeThinkingLevel } from "../types.js";
/** SDK-native vocabulary for `pi-coding-agent`'s `thinkingLevel`. */
export type PiCodingAgentThinkingLevel = "off" | "low" | "medium" | "high";
/** SDK-native `EffortLevel` exposed by `@anthropic-ai/claude-agent-sdk`. */
export type ClaudeEffortLevel = "low" | "medium" | "high" | "xhigh" | "max";
/** Codex CLI's `model_reasoning_effort` accepts OpenAI's reasoning_effort enum. */
export type CodexReasoningEffort = "minimal" | "low" | "medium" | "high";
export declare function foldThinkingLevelForPiCodingAgent(level: RuntimeThinkingLevel): PiCodingAgentThinkingLevel;
export declare function foldThinkingLevelForClaude(level: RuntimeThinkingLevel): ClaudeEffortLevel;
export declare function foldThinkingLevelForCodex(level: RuntimeThinkingLevel): CodexReasoningEffort;
/**
 * Whether the driver forwards `RuntimeDriverRunInput.thinkingLevel` to its
 * underlying SDK/CLI. Surfaced on the init system event as
 * `metadata.thinkingLevelSupported` (and `init.raw.thinkingLevelSupported`
 * on `pi-coding-agent`) so audit consumers can detect the silent-drop
 * failure mode without running a synthetic probe. All four built-in
 * drivers now forward — kept as a table so future drivers can opt out
 * explicitly and so consumers have a single place to inspect.
 */
export declare const DRIVER_THINKING_SUPPORTED: Record<string, boolean>;
export interface InitCapabilityFields {
    /** Whether this driver forwards thinkingLevel to its SDK/CLI. */
    thinkingLevelSupported: boolean;
    /** Verbatim caller value (or driver default), pre-fold. */
    requestedThinkingLevel?: RuntimeThinkingLevel;
    /** Value actually handed to the SDK/CLI after the per-driver fold. */
    effectiveThinkingLevel?: string;
}
/**
 * Wrap an `onEvent` callback so the first `system/init` message it sees
 * gets enriched with capability fields in its `metadata`. Used by drivers
 * that forward an upstream init (claude-sdk, claude-cli, codex-cli);
 * `pi-coding-agent` builds its init synthetically and sets the fields
 * directly on `init.raw`.
 */
export declare function enrichInitWithCapabilities(onEvent: (event: DriverEventEnvelope) => Promise<void> | void, capabilities: InitCapabilityFields): (event: DriverEventEnvelope) => Promise<void> | void;