import type { EventBus } from '@wrongstack/core/kernel';
import type { FleetChatVerbosity } from '@wrongstack/core/types';
import type { Action } from '../app-reducer.js';
interface CompactionHistoryEvent {
    sessionId?: string | undefined;
    level: 'warn' | 'soft' | 'hard';
    report: {
        before: number;
        after: number;
        fullRequestTokensBefore?: number | undefined;
        fullRequestTokensAfter?: number | undefined;
    };
}
export declare function providerContextLimitHistoryEntry(event: {
    providerId: string;
    modelId: string;
    maxContext: number;
    previousMaxContext?: number | undefined;
    source?: 'configured' | 'provider' | 'provider_overflow' | undefined;
    decreased?: boolean | undefined;
}): {
    kind: 'warn';
    text: string;
} | null;
export declare function compactionHistoryEntry(event: CompactionHistoryEvent, currentSessionId?: string | undefined): {
    kind: 'info' | 'warn';
    text: string;
} | null;
/**
 * Subagent lifecycle events → TUI dispatch bridge.
 * Wired to EventBus so both director and non-director /spawn runs surface in chat.
 *
 * Chat entries are gated by `getChatMode` (fleet-chat verbosity):
 * - 'full'    — every lifecycle line (legacy behavior).
 * - 'off'     — only non-success completions (✗/⏱/⊘); failures never go
 *               silent. All fleet-table dispatches run in every mode.
 */
export declare function useSubagentEvents(events: EventBus, dispatch: React.Dispatch<Action>, setActiveMaxContext: (v: number | undefined) => void, getSessionId?: (() => string | undefined) | undefined, getChatMode?: (() => FleetChatVerbosity) | undefined, sessionGenerationRef?: {
    current: number;
} | undefined): void;
export {};
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