type ResolveFn = (value: unknown, root: unknown) => unknown;
declare const toString: (path?: string, resolve?: ResolveFn) => any;
declare const toNumber: (path?: string, resolve?: ResolveFn) => any;
declare const toInteger: (path?: string, resolve?: ResolveFn) => any;
declare const toBoolean: (path?: string, resolve?: ResolveFn) => any;
declare const toObject: (properties: any) => {
    type: string;
    properties: any;
};
declare const toArray: (properties: any) => {
    type: string;
    properties: any;
};
declare const optional: (pathOrSchema: string | any) => any;
declare const required: (field: any) => any;
declare const rename: (newName: string, field: any) => any;
declare const transform: (field: any, resolver: ResolveFn) => any;
declare const defaultTo: (field: any, defaultValue: unknown) => any;
declare const fromRoot: (pathOrField: string | any, field?: any) => any;
declare const pluck: (path: string, field: any) => any[];
declare const mapArray: (field: any) => any[];
declare const omit: <T extends Record<string, unknown>>(obj: T, keys: (keyof T)[]) => Partial<T>;
declare const pick: <T extends Record<string, unknown>>(obj: T, keys: (keyof T)[]) => Partial<T>;
declare const pipeline: <T>(...fns: Array<(value: T) => T>) => ((value: T) => T);
declare const cond: (field: any, condition: ResolveFn, fallback: any) => any;
declare const when: (field: any, condition: ResolveFn, fallback: any) => any;
declare const constant: <T>(value: T) => {
    type: "string";
    resolve: () => T;
};
declare const lazy: <T>(fn: () => T) => {
    type: "string";
    resolve: () => T;
};
export declare const f: {
    toString: (path?: string, resolve?: ResolveFn) => any;
    toNumber: (path?: string, resolve?: ResolveFn) => any;
    toInteger: (path?: string, resolve?: ResolveFn) => any;
    toBoolean: (path?: string, resolve?: ResolveFn) => any;
    toObject: (properties: any) => {
        type: string;
        properties: any;
    };
    toArray: (properties: any) => {
        type: string;
        properties: any;
    };
    optional: (pathOrSchema: string | any) => any;
    required: (field: any) => any;
    rename: (newName: string, field: any) => any;
    transform: (field: any, resolver: ResolveFn) => any;
    defaultTo: (field: any, defaultValue: unknown) => any;
    fromRoot: (pathOrField: string | any, field?: any) => any;
    pluck: (path: string, field: any) => any[];
    mapArray: (field: any) => any[];
    omit: <T extends Record<string, unknown>>(obj: T, keys: (keyof T)[]) => Partial<T>;
    pick: <T extends Record<string, unknown>>(obj: T, keys: (keyof T)[]) => Partial<T>;
    pipeline: <T>(...fns: Array<(value: T) => T>) => ((value: T) => T);
    cond: (field: any, condition: ResolveFn, fallback: any) => any;
    when: (field: any, condition: ResolveFn, fallback: any) => any;
    constant: <T>(value: T) => {
        type: "string";
        resolve: () => T;
    };
    lazy: <T>(fn: () => T) => {
        type: "string";
        resolve: () => T;
    };
};
export { cond, constant, defaultTo, fromRoot, lazy, mapArray, omit, optional, pick, pipeline, pluck, rename, required, toArray, toBoolean, toInteger, toNumber, toObject, toString, transform, when, };
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