import { ColumnRole, ClassSchema, NumericParse, SampleClassKind } from '../../types/auto-group';
/** Roles the Field Recipe offers as grouping fields. `replicate` and `id` are off by default. */
export declare const GROUPING_FIELD_ROLES: ReadonlySet<ColumnRole | undefined>;
export declare function parseNumeric(token: string): NumericParse | null;
export interface InferRoleInput {
    values: string[];
    position: number;
    totalPositions: number;
    classSize: number;
    /** The column ends a name or a split token, where replicate counters sit. Defaults to the last position. */
    tail?: boolean;
}
export declare function inferRole(input: InferRoleInput): ColumnRole;
export interface ColumnSplit {
    rows: string[][];
    /** `origin[newIndex]` = index of the source column before the split. */
    origin: number[];
    /** New indices that end a split token. */
    tail: number[];
}
/** Split the columns of one class (rows of equal length) that hold two fields in one token. */
export declare function splitColumns(rows: string[][]): ColumnSplit;
export declare function buildClassSchema(tokenizedMembers: string[][], classKind: SampleClassKind, subKind: string | undefined, classTagPositions: number[], 
/** Positions that end a split token (from `splitColumns`). */
tailPositions?: number[]): ClassSchema;