import { InjectionToken } from '@angular/core';
import { Schema, Storage, ValidationIssues, ValidationIssuesMap, ValidationMode } from '@lightweightform/storage';
import * as i0 from "@angular/core";
/**
 * Injection token used to specify the schema of an LF application.
 */
export declare const LF_APP_SCHEMA: InjectionToken<Schema<any>>;
/**
 * Injection token used to specify the initial validation mode of the
 * `LfStorage`.
 */
export declare const LF_APP_INITIAL_VALIDATION_MODE: InjectionToken<ValidationMode>;
/**
 * Injectable storage to be used as the LF application's storage. It extends the
 * base storage class by providing utility methods to manage the "touched",
 * "untouched", "dirty", and "pristine" state properties of values as well as
 * knowing when to show values as [valid|invalid|with warnings|pending|needing
 * recomputation of their validations] based on such state properties.
 */
export declare class LfStorage extends Storage {
    constructor(schema: Schema, validationMode: ValidationMode | null);
    relativeStorage(relativePath: string, readOnly?: boolean): LfStorage;
    /**
     * Returns validation errors for the value at the given path (validation
     * issues without `isWarning` set). If the validation is asynchronous and
     * still pending, `undefined` is returned.
     * @param relativePath Path of the value from which to fetch the validation
     * errors (relative to the current working path). Defaults to `'.'`.
     * @returns Validation errors associated with the given path or `undefined`
     * when the validation is in pending state.
     */
    validationErrors(relativePath?: string): ValidationIssuesMap | undefined;
    /**
     * Returns local validation errors for the value at the given path (validation
     * issues without `isWarning` set that belong to the value at the given path
     * and not to one of its children). If the validation is asynchronous and
     * still pending, `undefined` is returned.
     * @param relativePath Path of the value from which to fetch the local
     * validation errors (relative to the current working path). Defaults to
     * `'.'`.
     * @returns Validation errors local to the given path (ignoring children
     * errors) or `undefined` when the validation is in pending state.
     */
    localValidationErrors(relativePath?: string): ValidationIssues | undefined;
    /**
     * Whether the value at the given path has at least one validation error (a
     * validation issue without `isWarning` set).
     * @param relativePath Path on which to check if the value contains a
     * validation error (relative to the current working path). Defaults to `'.'`.
     * @returns Whether the value at the given path contains at least one
     * validation error.
     */
    hasErrors(relativePath?: string): boolean | undefined;
    /**
     * Returns validation warnings for the value at the given path (validation
     * issues with `isWarning` set). If the validation is asynchronous and still
     * pending, `undefined` is returned.
     * @param relativePath Path of the value from which to fetch the validation
     * warnings (relative to the current working path). Defaults to `'.'`.
     * @returns Validation warnings associated with the given path or `undefined`
     * when the validation is in pending state.
     */
    validationWarnings(relativePath?: string): ValidationIssuesMap | undefined;
    /**
     * Returns local validation warnings for the value at the given path
     * (validation issues with `isWarning` set that belong to the value at the
     * given path and not to one of its children). If the validation is
     * asynchronous and still pending, `undefined` is returned.
     * @param relativePath Path of the value from which to fetch the local
     * validation warnings (relative to the current working path). Defaults to
     * `'.'`.
     * @returns Validation warnings local to the given path (ignoring children
     * warnings) or `undefined` when the validation is in pending state.
     */
    localValidationWarnings(relativePath?: string): ValidationIssues | undefined;
    /**
     * Whether the value at the given path has at least one validation warning (a
     * validation issue with `isWarning` set).
     * @param relativePath Path on which to check if the value contains a
     * validation warning (relative to the current working path). Defaults to
     * `'.'`.
     * @returns Whether the value at the given path contains at least one
     * validation warning.
     */
    hasWarnings(relativePath?: string): boolean | undefined;
    /**
     * Whether a given value has been "touched" (somehow unfocused by the user).
     * @param relativePath Path on which to check if the value has been touched
     * (relative to the current working path). Defaults to `'.'`.
     * @returns Whether the value at the given path has been touched.
     */
    isTouched(relativePath?: string): boolean;
    /**
     * Whether a given value is "untouched" (hasn't been unfocused by the user).
     * @param relativePath Path on which to check if the value is untouched
     * (relative to the current working path). Defaults to `'.'`.
     * @returns Whether the value at the given path is untouched.
     */
    isUntouched(relativePath?: string): boolean;
    /**
     * Whether a given value is "dirty" (if it has somehow been changed by user
     * interaction).
     * @param relativePath Path on which to check if the value is dirty (relative
     * to the current working path). Defaults to `'.'`.
     * @returns Whether the value at the given path is dirty.
     */
    isDirty(relativePath?: string): boolean;
    /**
     * Whether a given value is "pristine" (if it hasn't been changed by user
     * interaction).
     * @param relativePath Path on which to check if the value is pristine
     * (relative to the current working path). Defaults to `'.'`.
     * @returns Whether the value at the given path is pristine.
     */
    isPristine(relativePath?: string): boolean;
    /**
     * Set the value at the given path and all of its ancestors as "touched".
     * Possibly cascades the "touched" state to all descendants.
     * @param relativePath Path on which to set the value as touched (relative to
     * the current working path). Defaults to `'.'`.
     * @param cascade Whether to cascade the touched state to all descendants of
     * the value.
     */
    setTouched(relativePath?: string, cascade?: boolean): void;
    /**
     * Set the value at the given path and all of its descendants as "untouched".
     * @param relativePath Path on which to set the value as untouched (relative
     * to the current working path). Defaults to `'.'`.
     */
    setUntouched(relativePath?: string): void;
    /**
     * Set the value at the given path and all of its ancestors as "dirty".
     * Possibly cascades the "dirty" state to all descendants.
     * @param relativePath Path on which to set the value as dirty (relative to
     * the current working path). Defaults to `'.'`.
     * @param cascade Whether to cascade the dirty state to all descendants of the
     * value.
     */
    setDirty(relativePath?: string, cascade?: boolean): void;
    /**
     * Set the value at the given path and all of its descendants as "pristine".
     * @param relativePath Path on which to set the value as pristine (relative to
     * the current working path). Defaults to `'.'`.
     */
    setPristine(relativePath?: string): void;
    /**
     * Whether a given value should show as valid: that is, if its validation
     * issues are still being computed or if all of its issues come from
     * non-computed "untouched" values.
     * @param relativePath Path on which to check if the value should show as
     * valid (relative to the current working path). Defaults to `'.'`.
     * @returns Whether the value should show as valid.
     */
    shouldShowValid(relativePath?: string): boolean;
    /**
     * Whether a given value should show as having an error: that is, if its
     * validations issues have been computed and it has at least one issue that
     * isn't a warning and comes from a computed or "touched" value.
     * @param relativePath Path on which to check if the value should show as
     * having an error (relative to the current working path). Defaults to `'.'`.
     * @returns Whether the value should show as having an error.
     */
    shouldShowError(relativePath?: string): boolean;
    /**
     * Whether a given value should show as having a warning: that is, if its
     * validations issues have been computed and it has issues coming from
     * computed or "touched" values, all of them being warnings.
     * @param relativePath Path on which to check if the value should show as
     * having a warning (relative to the current working path). Defaults to `'.'`.
     * @returns Whether the value should show as having a warning.
     */
    shouldShowWarning(relativePath?: string): boolean;
    /**
     * Whether a given value should show indication that its validations are being
     * computed: that is, if its validation issues are still being computed and
     * the value is computed or has been "touched".
     * @param relativePath Path on which to check if the value should show
     * indication that its validations are being computed. Defaults to `'.'`.
     * @returns Whether the value should show indication that its validations are
     * being computed.
     */
    shouldShowPending(relativePath?: string): boolean;
    /**
     * Whether a given value should show indication that its validation has been
     * rejected: that is, if its validations issues have been computed and it has
     * issues caused by rejected promises coming from computed or "touched"
     * values.
     * @param relativePath Path on which to check if the value should show
     * indication that its validation needs to be recomputed (relative to the
     * current working path). Defaults to `'.'`.
     * @returns Whether the value should show indication that its validation needs
     * to be recomputed.
     */
    shouldShowRejected(relativePath?: string): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<LfStorage, [null, { optional: true; }]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LfStorage>;
}