import type { ToolSpec } from "@sema-agent/core";
/** Current time — the model has no clock; OA/most tasks need it. No side effects. CC-parity tool name `Now`
 *  (PascalCase, core 1.176 first-party rename wrap-up — the SERVICE owns this one; `nowTool` is not a core tool).
 *  effect:"read" so it never suspends → no durable-resume rename strand (no pending-tool checkpoint to canonicalize). */
export declare function nowTool(): ToolSpec;
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