import { type DrizzleExecutor } from "../drizzle.js";
import { type MutationHint } from "../chat/types.js";
/**
 * Revokes a channel grant from agentSecretChannelAssignments after requiring assignSecrets permission.
 * The shared audit and sync transition makes the loss of runtime access immediate and attributable.
 */
export declare function agentSecretDetachFromChannel(executor: DrizzleExecutor, input: {
    actorUserId: string;
    channelId: string;
    secretId: string;
}): Promise<MutationHint | undefined>;
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