export type FirstMessageVariantGate = {
    readonly shouldOverride: (sessionID: string) => boolean;
    readonly markApplied: (sessionID: string) => void;
};
export type ChatMessagePart = {
    readonly type: string;
    readonly text?: string;
    readonly [key: string]: unknown;
};
export type ChatMessageHandlerOutput = {
    readonly message: Record<string, unknown>;
    readonly parts: ChatMessagePart[];
};
export type ChatMessageInput = {
    readonly sessionID: string;
    readonly agent?: string;
    readonly model?: {
        readonly providerID: string;
        readonly modelID: string;
    };
};
export type StartWorkHookOutput = {
    readonly parts: Array<{
        readonly type: string;
        readonly text?: string;
    }>;
};
export type SessionModelOverride = {
    readonly providerID: string;
    readonly modelID: string;
};
export type WorkStartingCommand = "start-work" | "ralph-loop" | "ulw-loop";
type ChatMessageHook = {
    "chat.message"?: (input: ChatMessageInput, output: ChatMessageHandlerOutput) => Promise<void>;
};
type StopContinuationGuard = {
    "chat.message"?: (input: ChatMessageInput) => Promise<void>;
    stop?: (sessionID: string) => void;
    isStopped: (sessionID: string) => boolean;
    clear: (sessionID: string) => void;
};
type RalphLoopHook = {
    startLoop: (sessionID: string, prompt: string, options?: {
        readonly ultrawork?: boolean;
        readonly maxIterations?: number;
        readonly completionPromise?: string;
        readonly strategy?: "continue" | "reset";
    }) => boolean | void;
    resumeLoop?: (sessionID: string) => boolean;
    cancelLoop: (sessionID: string) => boolean | void;
};
export type ChatMessageHooks = {
    modelFallback?: ChatMessageHook | null;
    stopContinuationGuard?: StopContinuationGuard | null;
    backgroundNotificationHook?: ChatMessageHook | null;
    runtimeFallback?: ChatMessageHook | null;
    keywordDetector?: ChatMessageHook | null;
    thinkMode?: ChatMessageHook | null;
    claudeCodeHooks?: ChatMessageHook | null;
    autoSlashCommand?: ChatMessageHook | null;
    noSisyphusGpt?: ChatMessageHook | null;
    noHephaestusNonGpt?: ChatMessageHook | null;
    hephaestusAgentsMdInjector?: ChatMessageHook | null;
    startWork?: ChatMessageHook | null;
    ralphLoop?: RalphLoopHook | null;
};
export {};