/** Host operations for complete channel saves and secret-free status responses. */
import { type ChannelId, type ChannelSnapshot } from "./channel-config.ts";
interface ChannelSettingsContext {
    credentials: {
        describe(name: string): Promise<{
            configured: boolean;
            writable: boolean;
        } | null | undefined>;
        set(name: string, value: string): Promise<unknown>;
        unset(name: string): Promise<unknown>;
    };
    settings: {
        update(namespace: string, patch: object): Promise<unknown>;
    };
}
/** Read effective non-secret settings and metadata; never resolve a saved secret. */
export declare function readChannels(ctx: ChannelSettingsContext): Promise<ChannelSnapshot>;
/** Validate a whole card before writing its fields, then its optional replacement key. */
export declare function saveChannel(ctx: ChannelSettingsContext, payload: Record<string, unknown>): Promise<ChannelSnapshot>;
/** Remove only the selected channel's writable key and report the effective status. */
export declare function clearChannelKey(ctx: ChannelSettingsContext, id: ChannelId): Promise<ChannelSnapshot>;
export {};