/**
 * swarm/mode — SwarmMode state machine.
 *
 * Tracks whether swarm mode is active and manages the lifecycle
 * of entering/exiting swarm mode with system reminders.
 *
 * Architecture reference: AgentSwarm pattern.
 */
/** How swarm mode was triggered. */
export type SwarmModeTrigger = "manual" | "task" | "tool";
/**
 * Minimal interface for the agent object that SwarmMode needs.
 * The real agent is provided by the extension context.
 */
export interface SwarmModeAgent {
    readonly context: {
        /**
         * Append a system reminder to the agent context.
         * The reminder is injected into the model's context window.
         */
        appendSystemReminder(text: string, origin: {
            kind: string;
            variant: string;
        }): void;
        /**
         * Pop a matched message from the context.
         * Returns true if a message was removed.
         */
        popMatchedMessage(predicate: (origin: unknown) => boolean): boolean;
    };
    /** Emit a status update event. */
    emitStatusUpdated(): void;
    /** Log a record to the agent's event log. */
    records: {
        logRecord(entry: {
            type: string;
            trigger?: string;
        }): void;
    };
}
export declare class SwarmMode {
    private readonly agent;
    private active;
    constructor(agent: SwarmModeAgent);
    /** Enter swarm mode with the given trigger. No-op if already active. */
    enter(trigger: SwarmModeTrigger): void;
    /** Restore a previously saved swarm mode trigger (e.g., on session resume). */
    restoreEnter(trigger: SwarmModeTrigger): void;
    /** Exit swarm mode. No-op if not active. */
    exit(): void;
    /** Whether swarm mode is currently active. */
    get isActive(): boolean;
    /** Whether swarm mode should auto-exit after the current operation. */
    get shouldAutoExit(): boolean;
    /** The current trigger, or null if not active. */
    get currentTrigger(): SwarmModeTrigger | null;
}
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