/** Which compute rows a session ships. */
export declare const COMPUTE_KINDS: readonly ["diff", "outcome", "commits", "markers"];
export interface DerivedRows {
    session_id: string;
    mtime: number;
    compute: Array<{
        kind: string;
        mtime: number;
        data: unknown;
    }>;
    outcome_row: unknown | null;
}
export declare function collectDerivedRows(ref: {
    prefixedId: string;
    toolId: string;
    mtime: number;
}, mtime: number, count: {
    redactions: number;
}, maxRowBytes: number): DerivedRows;
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