import { BailingHubClientError } from './client.js';
export type AgentTaskBinding = {
    schema_version: 'bailing.agent-task-binding.v1';
    task_id: string;
    scope_hash: string;
};
export type AgentTaskControlCapabilities = {
    schema_version: 'bailing.agent-task-control-capabilities.v1';
    supported: boolean;
    mode: 'optional' | 'required';
    task_schema: 'bailing.agent-task.v1';
    metering: 'write_invocation';
    same_hub_only: true;
    controls: ['pause', 'resume', 'cancel'];
    inspect_invocation: boolean;
};
export type AgentTaskMember = {
    session_id: string;
    client_app_id: string;
    workspace: string;
    client_conversation_id: string;
    allowed_tools: string[];
};
/** A shared task observation, never a dispatch permit or business result. */
export type AgentTaskSnapshot = {
    schema_version: 'bailing.agent-task.v1';
    task_id: string;
    state: 'active' | 'paused' | 'blocked' | 'cancelled';
    revision: number;
    ledger_sequence: number;
    scope_hash: string;
    member_count: number;
    member: AgentTaskMember;
    policy: {
        max_write_calls: number | null;
        max_concurrent: number;
        expires_at: string | null;
    };
    counters: {
        write_reserved: number;
        write_consumed: number;
        active_permits: number;
    };
    metering: 'write_invocation';
    snapshot_is_dispatch_permission: false;
};
export declare function taskError(code: string): BailingHubClientError;
export declare function taskIdInput(value: unknown): string;
export declare function taskConversationInput(value: unknown): string;
export declare function taskBinding(value: unknown, input?: boolean): AgentTaskBinding;
export declare function taskCapabilities(value: unknown): AgentTaskControlCapabilities;
export declare function taskSnapshot(value: unknown, expected: {
    taskId: string;
    sessionId: string;
    clientAppId: string;
    workspace: string;
    clientConversationId: string;
}): AgentTaskSnapshot;
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