import type { WaveManifest, WaveUnit, WaveUnitStatus, PromptDigest } from './types.js';
export declare function computePromptDigest(prompt: string): PromptDigest;
export declare function buildWaveUnit(opts: {
    id: string;
    prompt: string;
    cwd: string | undefined;
    model: string;
    upstreamIds?: string[];
}): WaveUnit;
export declare function createManifest(opts: {
    source: WaveManifest['source'];
    parentSessionId: string;
    traceLabel: string | null;
    units: WaveUnit[];
}): string | undefined;
export declare function writeManifestSync(manifest: WaveManifest): void;
export declare function readManifest(waveId: string): WaveManifest | undefined;
export declare function updateWaveUnit(waveId: string, unitId: string, newStatus: WaveUnitStatus, extra?: {
    errorMessage?: string;
    cwd?: string;
}): void;