/**
 * Name → messaging transport registry.
 *
 * Filled when channels (and connectors that still contribute messaging, e.g.
 * GitHub) are mounted / collected. `resolveRuntimeChannel` and schedule
 * delivery look up transports by file-stem name.
 */
import type { ChannelTransport } from "./runtime.js";
import type { Channel } from "../runtime/channel.js";
import type { Connector } from "../runtime/connector.js";
/** Register messaging factories from collected channels. */
export declare function registerChannelMessaging(channels: readonly Channel[]): void;
/** Register messaging factories from collected connectors (e.g. GitHub). */
export declare function registerConnectorMessaging(connectors: readonly Connector[]): void;
/** Clear the registry (tests). */
export declare function clearMessagingRegistry(): void;
/** Build a transport for a channel/connector file-stem name. */
export declare function messagingTransportForName(name: string, env?: NodeJS.ProcessEnv): ChannelTransport | undefined;
/** Providers allowed as trusted source-provider stamps. */
export declare function trustedMessagingProviders(): ReadonlySet<string>;
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