/**
 * CSV Row Processor
 *
 * Core row processing logic shared between sync and streaming parsers.
 * Handles header processing, column validation, and row completion.
 */
import type { CsvRecordError, RecordInfo } from "../types.js";
import type { ParseConfig } from "./config.js";
import type { ParseState } from "./state.js";
/**
 * Result of processing a single row
 */
export interface RowProcessResult {
    /** Whether to stop parsing (maxRows reached) */
    stop: boolean;
    /** Whether row was skipped (invalid, filtered, etc.) */
    skipped: boolean;
    /** Processed row data (if not skipped) */
    row?: string[];
    /** Record info (if info option enabled) */
    info?: RecordInfo;
    /** Error that occurred (if any) */
    error?: CsvRecordError;
    /** Reason for skipping/invalidating the row */
    reason?: string;
    /** Extra columns when columnMismatch.more is 'keep' */
    extras?: string[];
}
/**
 * Process headers from a row (first data row or configured headers)
 * Returns true if the row should be skipped (was used as headers)
 */
export declare function processHeaderRow(row: string[], state: ParseState, config: Pick<ParseConfig, "headers" | "groupColumnsByName">): boolean;
/**
 * Validate row column count against headers
 * Returns error info if validation fails, null otherwise
 */
export declare function validateRowColumns(row: string[], state: ParseState, config: Pick<ParseConfig, "columnLess" | "columnMore">): {
    errorCode: "TooManyFields" | "TooFewFields";
    message: string;
    isValid: boolean;
    reason?: string;
    extras?: string[];
} | null;
/**
 * Build record info for a completed row
 */
export declare function buildRecordInfo(state: ParseState, dataRowIndex: number, includeRaw: boolean, fieldCount: number): RecordInfo;
/**
 * Convert a raw row to an object record with optional dynamic typing
 */
export declare function rowToRecord(row: string[], state: ParseState, config: Pick<ParseConfig, "groupColumnsByName" | "dynamicTyping" | "castDate">): Record<string, unknown>;
/**
 * Check if a row should be skipped (comment or empty)
 */
export declare function shouldSkipRow(row: string[], comment: string | undefined, shouldSkipEmpty: boolean | "greedy", skipRecordsWithEmptyValues: boolean): boolean;
/**
 * Process a completed row through headers, validation, etc.
 * This is the core row processing logic shared between sync and streaming parsers.
 */
export declare function processCompletedRow(row: string[], state: ParseState, config: ParseConfig, errors: CsvRecordError[], lineNumber: number): RowProcessResult;