import type { ChunkEstimate, EstimateConfidence, EstimateReason, Partition, PartitionSlice, ChunkDerivationStep, ChunkRange } from './types.js';
export declare function buildRootSlice(partition: Partition): PartitionSlice;
export declare function buildSliceEstimate(partition: Partition, rows: number, confidence: EstimateConfidence, reason: EstimateReason): ChunkEstimate;
export declare function buildSliceFromRows(partition: Partition, input: {
    ranges: ChunkRange[];
    rows: number;
    focusedValue?: PartitionSlice['analysis']['focusedValue'];
    confidence: EstimateConfidence;
    reason: EstimateReason;
    lineage: ChunkDerivationStep[];
}): PartitionSlice;
export declare function getTargetChunkRows(partition: Partition, targetChunkBytes: number): number;
export declare function mergeAdjacentSlices(slices: PartitionSlice[], targetChunkBytes: number): PartitionSlice[];
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