/**
 * Channel binding carried on channel-originated runs.
 *
 * The Events handler stamps a serializable binding into run `configurable`.
 * The runtime seam rebuilds `runtime.channel` only when the trusted auth user
 * source provider matches — clients cannot invent a channel surface.
 */
import type { ChannelTransport } from "./runtime.js";
import type { ChannelAddress, ChannelEvent, RuntimeChannel } from "./types.js";
/** Env var holding the Slack bot token for Phase 1 single-workspace installs. */
export declare const SLACK_BOT_TOKEN_ENV = "SLACK_BOT_TOKEN";
/** Configurable key stamped by the managed channel runner (never client-trusted alone). */
export declare const CHANNEL_BINDING_KEY = "mda_channel_binding";
export interface ChannelBinding {
    name: string;
    provider: string;
    event: ChannelEvent;
    address: ChannelAddress;
    autoReply: boolean;
    deliveryId: string;
}
export declare function markFinalPosted(deliveryId: string): void;
export declare function clearFinalPosted(deliveryId: string): void;
export declare function wasDeliveryFinalPosted(deliveryId: string): boolean;
/**
 * Rebuild `runtime.channel` from a trusted configurable bag.
 *
 * Returns `undefined` unless the auth user source provider matches the binding
 * and a transport can be constructed.
 */
export declare function resolveRuntimeChannel(configurable: Record<string, unknown> | undefined, transportFactory?: (provider: string) => ChannelTransport | undefined): RuntimeChannel | undefined;
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