import type { ExtensionContext, ModelRegistry } from "@earendil-works/pi-coding-agent";
import { type SubagentToolResult } from "./progress.js";
import type { SubagentProfile, SubagentTelemetry, SubagentUsage, ThinkingLevel } from "../types.js";
export interface CodexTokenUsage {
    inputTokens: number;
    cachedInputTokens: number;
    outputTokens: number;
    reasoningOutputTokens: number;
}
export declare function estimateCodexCostUsd(model: string | undefined, usage: CodexTokenUsage): number | undefined;
export declare function codexUsageToSubagentUsage(model: string | undefined, usage: CodexTokenUsage, modelRegistry?: ModelRegistry): SubagentUsage;
export declare function buildCodexArgs({ prompt, profile, thinkingLevel, sessionId, persistSession, outputSchemaPath, }: {
    prompt: string;
    profile: SubagentProfile;
    thinkingLevel: ThinkingLevel | undefined;
    sessionId?: string;
    persistSession?: boolean;
    outputSchemaPath?: string;
}): string[];
export declare function parseCodexJsonLine(line: string): Record<string, unknown> | undefined;
export declare function extractCodexSessionId(event: Record<string, unknown>): string | undefined;
export declare function extractCodexUsage(event: Record<string, unknown>): CodexTokenUsage | undefined;
export declare function extractCodexFinalText(event: Record<string, unknown>): string | undefined;
export declare function extractCodexError(event: Record<string, unknown>): string | undefined;
export declare function codexActivityFromEvent(event: Record<string, unknown>): string | undefined;
export declare function spawnCodexSubagent(params: {
    label: string;
    prompt: string;
    profile: SubagentProfile;
    thinkingLevel: ThinkingLevel | undefined;
    ctx: ExtensionContext;
    signal: AbortSignal | undefined;
    progressEnabled: boolean;
    onProgress: ((result: SubagentToolResult) => void) | undefined;
    onUsage: (usage: SubagentUsage, telemetry: SubagentTelemetry) => void;
    appendInstructions?: string;
    sessionId?: string;
    persistSession?: boolean;
    outputSchema?: unknown;
}): Promise<SubagentToolResult>;