import type { ProviderName } from "../../providers";
import type { AgentPhase } from "../../types";
/**
 * Derive the agent's phase from a rendered screen.
 *
 * An unrecognised provider yields `null` rather than falling back to a
 * provider-specific grammar. `getTerminalChromeFilter` already establishes that
 * instinct — "prefer passthrough over wrong Claude filters" — and the opposite
 * default is what let a wrong grammar run against the wrong provider in #647.
 */
export declare function parseAgentPhase(lines: string[], provider: ProviderName): AgentPhase | null;
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