import { BehaviorSubject } from 'rxjs';
import { FormValidationError } from './FormError';
export declare type InputFieldValidationValue = InputFieldValidationResult | Error | string | boolean;
export interface InputFieldValidationResult {
    valid: boolean;
    error?: FormValidationError;
}
export interface FieldModelLike<View extends FieldViewLike = any> {
    errors: BehaviorSubject<Error[]>;
    viewRef?: ViewRef<View>;
}
export interface InputFieldModelLike<T> extends FieldModelLike {
    value: BehaviorSubject<T>;
    validate: () => InputFieldValidationResult;
    skipNextFocus: boolean;
}
export interface FieldViewLike {
}
export interface InputFieldViewLike {
    focus: () => void;
    blur: () => void;
}
export interface ViewRef<T extends FieldViewLike = any> {
    current?: T | null;
}
export declare function isFieldModelLike(value: any): value is FieldModelLike;
export declare function isInputFieldModelLike(value: any): value is InputFieldModelLike<any>;