import { DataTypeFields, FieldType, ReadonlyDataTypeFields, TypedArray, TypedArrayConstructor } from '@terascope/types';
import { FieldArg } from './interfaces.js';
export declare function getFieldsFromArg<K extends (number | string | symbol)>(fields: readonly K[], arg: FieldArg<K>[]): ReadonlySet<K>;
export declare function flattenStringArg<K extends (number | string | symbol)>(arg: FieldArg<K>[]): ReadonlySet<K>;
/**
 * Gets the correctly sized TypeArray depending on the length of items
 */
export declare function getPointerArray(size: number): TypedArray;
/**
 * Gets the correctly sized TypeArray constructor depending on the size of values being stored
 */
export declare function getTypedArrayClass(size: number): TypedArrayConstructor;
export declare function freezeObject<T extends Record<string, any>>(input: T): T extends Readonly<infer U> ? Readonly<U> : Readonly<T>;
type ArrLike = (any[]) | (readonly any[]);
export declare function freezeArray<T extends ArrLike>(input: T): T extends Readonly<infer U> ? Readonly<U> : Readonly<T>;
/**
 * This is used in the Vector and Builder classes
 * to get the correctly scoped field configurations
 * since we use dot notation for nested field configurations
*/
export declare function getChildDataTypeConfig(config: DataTypeFields | ReadonlyDataTypeFields, baseField: string, fieldType: FieldType): DataTypeFields | undefined;
export {};
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