import type { SurfaceKind } from '../../events/surfaces.js';
import type { SharedSessionMessage, SharedSessionRecord } from './session-types.js';
import type { SharedSessionInputRecord } from './session-intents.js';
export interface SharedSessionStoreSnapshot extends Record<string, unknown> {
    readonly sessions: readonly SharedSessionRecord[];
    readonly messages: readonly SharedSessionMessage[];
    readonly inputs: readonly SharedSessionInputRecord[];
}
export type SharedSessionAgentStatus = {
    readonly id: string;
    readonly status: 'pending' | 'running' | 'completed' | 'failed' | 'cancelled';
};
export type SharedSessionAgentStatusProvider = {
    getStatus(agentId: string): SharedSessionAgentStatus | null | undefined;
};
export type SharedSessionMessageSender = {
    send(fromId: string, toId: string, content: string, options?: {
        kind?: 'directive';
    }): boolean;
};
export type SharedSessionEventPublisher = (event: string, payload: unknown) => void;
export declare function dedupeSessionSurfaceKinds(participants: readonly {
    readonly surfaceKind: SurfaceKind;
}[]): SurfaceKind[];
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