import { type Type } from '@frontmcp/di';
import { type ChannelContext } from '../interfaces';
import { type ChannelMetadata } from '../metadata';
/**
 * Discriminator enum for channel record types.
 */
export declare enum ChannelKind {
    /** Channel defined as a class decorated with @Channel */
    CLASS_TOKEN = "CLASS_TOKEN",
    /** Channel defined using channel() function builder */
    FUNCTION = "FUNCTION"
}
/**
 * Record for class-based channels decorated with @Channel.
 *
 * @example
 * ```typescript
 * @Channel({
 *   name: 'deploy-alerts',
 *   source: { type: 'webhook', path: '/hooks/deploy' },
 * })
 * export class DeployChannel extends ChannelContext { ... }
 * ```
 */
export interface ChannelClassTokenRecord {
    kind: ChannelKind.CLASS_TOKEN;
    provide: Type<ChannelContext>;
    metadata: ChannelMetadata;
}
/**
 * Record for function-based channels created with channel().
 *
 * @example
 * ```typescript
 * const ErrorChannel = channel({
 *   name: 'error-alerts',
 *   source: { type: 'app-event', event: 'error' },
 * })((payload) => ({
 *   content: `Error: ${payload.message}`,
 * }));
 * ```
 */
export interface ChannelFunctionTokenRecord {
    kind: ChannelKind.FUNCTION;
    provide: (...args: any[]) => any | Promise<any>;
    metadata: ChannelMetadata;
}
/**
 * Union type of all possible channel record types.
 */
export type ChannelRecord = ChannelClassTokenRecord | ChannelFunctionTokenRecord;
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