/** Versioned, provider-neutral display facts. Native payloads never cross this boundary. */
export interface RuntimeMetadata {
    type: string;
    version?: string;
    adapter_version: '1';
}
export declare const TOOL_ACTIONS: readonly ["read", "write", "edit", "list", "search", "execute", "validate", "browse_web", "inspect_git", "delegate", "download", "upload", "prepare_attachment", "operate", "discover_tools", "load_skill", "plan", "request_input"];
export type ToolAction = typeof TOOL_ACTIONS[number];
export type ActivityState = 'queued' | 'paused' | 'running' | 'waiting' | 'completed' | 'failed' | 'cancelled' | 'unknown';
export interface RuntimeActivity {
    schema_version: 'runtime-activity/1';
    kind: 'tool' | 'subtask';
    operation: ToolAction | 'start' | 'wait' | 'status' | 'peek' | 'message' | 'followup' | 'interrupt' | 'cancel' | 'roster' | 'claim';
    call_id?: string;
    outcome: 'pending' | 'success' | 'failed' | 'timed_out' | 'cancelled' | 'unknown';
    targets: {
        id: string;
        state: ActivityState;
        wait_reason?: 'model' | 'tool' | 'subtask' | 'user';
    }[];
}