import { Optional } from '../types/Types';
import { Construct } from '../types/Constructor';
import { Get } from '../types/Get';
import { OneOrMore } from '../types/Array';
export declare function ifTrue<Out, In = unknown>(o: unknown, f: Construct<Out, NonNullable<In>>, alt: Construct<Out>): Out;
export declare function ifTrue<Out, In = unknown>(o: unknown, f: Construct<Out, NonNullable<In>>, alt?: Construct<Out>): Optional<Out>;
export declare function ifFalse<Out, In = unknown>(o: unknown, f: Construct<Out, NonNullable<In>>, alt: Construct<Out>): Out;
export declare function ifFalse<Out, In = unknown>(o: unknown, f: Construct<Out, NonNullable<In>>, alt?: Construct<Out>): Optional<Out>;
export declare function ifDefined<Out, In = unknown>(o: Optional<In>, f: Construct<Out, NonNullable<In>>, alt: Construct<Out>): Out;
export declare function ifDefined<Out, In = unknown>(o: Optional<In>, f: Construct<Out, NonNullable<In>>, alt?: Construct<Out>): Optional<Out>;
export declare function ifNotEmpty<Out, In = unknown>(o: In, f: Construct<Out, NonNullable<In>>, alt: Construct<Out>): Out;
export declare function ifNotEmpty<Out, In = unknown>(o: In, f?: Construct<Out, NonNullable<In>>, alt?: Construct<Out>): Optional<Out>;
export declare function ifNotEmpty<Out, In = unknown>(o: In, f: Construct<Out, NonNullable<In>>, alt?: Construct<Out>): Optional<Out>;
export declare function ifEmpty<Out, In = unknown>(o: In, f: Construct<Out, NonNullable<In>>, alt: Construct<Out>): Out;
export declare function ifEmpty<Out, In = unknown>(o: In, f?: Construct<Out, NonNullable<In>>, alt?: Construct<Out>): Optional<Out>;
export declare function ifEmpty<Out, In = unknown>(o: In, f: Construct<Out, NonNullable<In>>, alt?: Construct<Out>): Optional<Out>;
export declare function given<T extends object, K extends keyof T>(o: T, key: K, alt: Get<T[K]>): T[K];
export declare function given<T extends object, K extends keyof T>(o: T, key: K, alt?: Get<T[K]>): Optional<T[K]>;
export declare function ifEqual<Out>(one: unknown, another: unknown, f: Construct<Out>, alt: Construct<Out>): Out;
export declare function ifEqual<Out>(one: unknown, another: unknown, f: Construct<Out>, alt?: Construct<Out>): Optional<Out>;
export declare function ifEither<Out, In = unknown>(os: OneOrMore<In>, f: Construct<Out, NonNullable<In>>, alt: Construct<Out>): Out;
export declare function ifEither<Out, In = unknown>(os: OneOrMore<In>, f?: Construct<Out, NonNullable<In>>, alt?: Construct<Out>): Optional<Out>;
export declare function ifEither<Out, In = unknown>(os: OneOrMore<In>, f: Construct<Out, NonNullable<In>>, alt?: Construct<Out>): Optional<Out>;