import type { PluginInput } from "@opencode-ai/plugin";
import type { RuntimeFallbackConfig, OpenCodeCodexOrchConfig } from "../../config";
export interface FallbackState {
    originalModel: string;
    currentModel: string;
    fallbackIndex: number;
    failedModels: Map<string, number>;
    attemptCount: number;
    pendingFallbackModel?: string;
}
export interface FallbackResult {
    success: boolean;
    newModel?: string;
    error?: string;
    maxAttemptsReached?: boolean;
}
export interface RuntimeFallbackOptions {
    config?: RuntimeFallbackConfig;
    pluginConfig?: OpenCodeCodexOrchConfig;
    session_timeout_ms?: number;
}
export interface RuntimeFallbackHook {
    event: (input: {
        event: {
            type: string;
            properties?: unknown;
        };
    }) => Promise<void>;
    "chat.message"?: (input: {
        sessionID: string;
        agent?: string;
        model?: {
            providerID: string;
            modelID: string;
        };
    }, output: {
        message: {
            model?: {
                providerID: string;
                modelID: string;
            };
        };
        parts?: Array<{
            type: string;
            text?: string;
        }>;
    }) => Promise<void>;
}
export interface HookDeps {
    ctx: PluginInput;
    config: Required<RuntimeFallbackConfig>;
    options: RuntimeFallbackOptions | undefined;
    pluginConfig: OpenCodeCodexOrchConfig | undefined;
    sessionStates: Map<string, FallbackState>;
    sessionLastAccess: Map<string, number>;
    sessionRetryInFlight: Set<string>;
    sessionAwaitingFallbackResult: Set<string>;
    sessionFallbackTimeouts: Map<string, ReturnType<typeof setTimeout>>;
}