import type { OutputEvent } from '../types/session-types.js';
export declare const MAX_RECORD_BYTES: number;
export declare const MAX_TRANSCRIPT_BYTES: number;
export declare const OUTPUT_CAPTURE_BANNER = "<!-- Best-effort secret redaction only. Connection strings, PEM blocks, and PII are NOT caught. -->";
export interface SubagentOutputCaptureInput {
    sessionId: string | undefined;
    subagentId: string | undefined;
    isSubagentFork: boolean;
    model: string | undefined;
}
export declare function shouldCaptureSubagentOutput(input: SubagentOutputCaptureInput): boolean;
export declare function sanitizeRecordText(text: string): string;
export declare function buildOutputHeader(input: SubagentOutputCaptureInput): string;
export declare function buildRecord(kind: 'say' | 'tool' | 'end', detail: {
    text?: string;
    toolName?: string;
    toolInput?: string;
    reason?: string;
}): string;
export interface SubagentOutputRecorder {
    observe(event: OutputEvent): void;
    end(reason: string): void;
}
export declare function createSubagentOutputRecorder(input: SubagentOutputCaptureInput): SubagentOutputRecorder | null;