import type { Int64 } from 'react-native-nitro-modules';
export type DuckDBConfig = Record<string, string>;
export type DuckDBValue = null | boolean | number | Int64 | string | ArrayBuffer;
export type DuckDBNamedParams = Record<string, DuckDBValue>;
export interface NumericColumn {
    data: ArrayBuffer;
    validity: ArrayBuffer;
    dtype: string;
}
export type ColumnData = NumericColumn | (string | null)[];
export type BatchCommand = {
    query: string;
    params?: DuckDBValue[];
};
export type BatchResult = {
    rowsAffected: number;
};
export type AttachOptions = {
    readOnly?: boolean;
    type?: string;
};
export type CloseOptions = {
    force?: boolean;
};
export type ConnectionInfo = {
    count: number;
    ids: string[];
};
export type StreamingOptions = {
    bufferSize?: number;
};
export type AppenderOptions = {
    flushEvery?: number;
};
export interface ExecuteOptions {
    onProgress?: (percentage: number) => void;
}
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