import type { ObserverReportOnlyFinding } from "./evidence.js";
type ObserveJavaWriteInput = {
    readonly evidenceDir?: string;
    readonly projectDir: string;
    readonly tool: string;
    readonly sessionID: string;
    readonly callID?: string;
    readonly targetFile?: string;
    readonly output?: ObserverToolOutput;
};
/**
 * Structural view of the host tool output. Kept local so the observer does not
 * depend on the plugin hook module.
 */
export type ObserverToolOutput = {
    output?: unknown;
};
export declare const OBSERVER_OUTPUT_MARKER = "[Persona Harness Observation]";
export declare function observeJavaWriteReportOnly(input: ObserveJavaWriteInput): void;
/**
 * Surfaces actionable observer findings in the tool output the agent reads.
 * Only HIGH-confidence WARN findings backed by concrete evidence are appended;
 * every finding is still written to the evidence store regardless of this.
 */
export declare function appendObserverFindingsToToolOutput(output: ObserverToolOutput, findings: readonly ObserverReportOnlyFinding[], inspectedFile: string): void;
export declare function formatObserverFindingsBlock(findings: readonly ObserverReportOnlyFinding[], inspectedFile: string): string | undefined;
export {};