import type { ServerCapabilities } from '@frontmcp/protocol';
import { type ChannelEntry, type ChannelRecord, type ChannelType, type EntryOwnerRef } from '../common';
import type ProviderRegistry from '../provider/provider.registry';
import { RegistryAbstract, type RegistryBuildMapResult } from '../regsitry';
import { type ChannelChangeEvent } from './channel.events';
import { ChannelInstance } from './channel.instance';
/**
 * Interface for type-safe registry lookups.
 */
export interface ChannelRegistryInterface {
    getChannels(): ChannelEntry[];
    hasAny(): boolean;
}
export default class ChannelRegistry extends RegistryAbstract<ChannelInstance, ChannelRecord, ChannelType[]> implements ChannelRegistryInterface {
    /** Who owns this registry */
    owner: EntryOwnerRef;
    /** Channels owned by this registry */
    private localRows;
    /** Version counter for change tracking */
    private version;
    /** Event emitter for change notifications */
    private emitter;
    /** Logger */
    private logger;
    constructor(providers: ProviderRegistry, list: ChannelType[], owner: EntryOwnerRef);
    protected buildMap(list: ChannelType[]): RegistryBuildMapResult<ChannelRecord>;
    protected buildGraph(): void;
    protected initialize(): Promise<void>;
    /**
     * Get all channel entries.
     */
    getChannels(): ChannelEntry[];
    /**
     * Get all channel instances.
     */
    getChannelInstances(): ChannelInstance[];
    /**
     * Find a channel by name.
     */
    findByName(name: string): ChannelInstance | undefined;
    /**
     * Check if any channels are registered.
     */
    hasAny(): boolean;
    /**
     * Get the number of registered channels.
     */
    get size(): number;
    /**
     * Get MCP server capabilities contributed by channels.
     * Returns `experimental: { 'claude/channel': {} }` when channels exist.
     */
    getCapabilities(): Partial<ServerCapabilities>;
    /**
     * Subscribe to channel registry changes.
     */
    subscribe(opts: {
        immediate?: boolean;
    }, cb: (e: ChannelChangeEvent) => void): () => void;
    /**
     * Emit a change event.
     */
    bump(kind: ChannelChangeEvent['kind']): void;
}
//# sourceMappingURL=channel.registry.d.ts.map