export type ChannelRuntimeContextKey = {
    channelId: string;
    accountId?: string | null;
    capability: string;
};
export type ChannelRuntimeContextEvent = {
    type: "registered" | "unregistered";
    key: {
        channelId: string;
        accountId?: string;
        capability: string;
    };
    context?: unknown;
};
export type ChannelRuntimeContextRegistry = {
    register: (params: ChannelRuntimeContextKey & {
        context: unknown;
        abortSignal?: AbortSignal;
    }) => {
        dispose: () => void;
    };
    get: <T = unknown>(params: ChannelRuntimeContextKey) => T | undefined;
    watch: (params: {
        channelId?: string;
        accountId?: string | null;
        capability?: string;
        onEvent: (event: ChannelRuntimeContextEvent) => void;
    }) => () => void;
};
/**
 * Minimal channel-runtime surface threaded through gateway/setup flows.
 *
 * Most callers only pass this object through or use `runtimeContexts`.
 * Keeping this leaf contract small avoids dragging the full plugin runtime
 * graph into generic channel adapter types.
 */
export type ChannelRuntimeSurface = {
    runtimeContexts: ChannelRuntimeContextRegistry;
    [key: string]: unknown;
};