import { OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { LanguageDescription } from '@codemirror/language';
import { Extension } from '@codemirror/state';
import * as i0 from "@angular/core";
export type Theme = 'light' | Extension;
export type Setup = 'basic' | 'minimal' | null;
export declare const External: import("@codemirror/state").AnnotationType<boolean>;
export declare class CodeEditorComponent implements OnChanges, OnInit, OnDestroy, ControlValueAccessor {
    private _elementRef;
    /**
     * EditorView's [root](https://codemirror.net/docs/ref/#view.EditorView.root).
     *
     * Don't support change dynamically!
     */
    readonly root: import("@angular/core").InputSignal<Document | ShadowRoot | undefined>;
    /**
     * Whether focus on the editor after init.
     *
     * Don't support change dynamically!
     */
    readonly autoFocus: import("@angular/core").InputSignalWithTransform<boolean, unknown>;
    /** The editor's value. */
    readonly value: import("@angular/core").InputSignal<string>;
    /** Whether the editor is disabled.  */
    disabled: boolean;
    /** Whether the editor is readonly. */
    readonly readonly: import("@angular/core").InputSignalWithTransform<boolean, unknown>;
    /** The editor's theme. */
    readonly theme: import("@angular/core").InputSignal<Theme>;
    /** The editor's placeholder. */
    readonly placeholder: import("@angular/core").InputSignal<string>;
    /** Whether indent with Tab key. */
    readonly indentWithTab: import("@angular/core").InputSignalWithTransform<boolean, unknown>;
    /** Should be a string consisting either entirely of the same whitespace character. */
    readonly indentUnit: import("@angular/core").InputSignal<number>;
    /** Whether the editor wraps lines. */
    readonly lineWrapping: import("@angular/core").InputSignalWithTransform<boolean, unknown>;
    /** Whether highlight the whitespace. */
    readonly highlightWhitespace: import("@angular/core").InputSignalWithTransform<boolean, unknown>;
    /**
     * An array of language descriptions for known
     * [language-data](https://github.com/codemirror/language-data/blob/main/src/language-data.ts).
     *
     * Don't support change dynamically!
     */
    readonly languages: import("@angular/core").InputSignal<LanguageDescription[]>;
    /** The editor's language. You should set the `languages` prop at first. */
    readonly language: import("@angular/core").InputSignal<string>;
    /**
     * The editor's built-in setup. The value can be set to
     * [`basic`](https://codemirror.net/docs/ref/#codemirror.basicSetup),
     * [`minimal`](https://codemirror.net/docs/ref/#codemirror.minimalSetup) or `null`.
     */
    readonly setup: import("@angular/core").InputSignal<Setup>;
    /**
     * It will be appended to the root
     * [extensions](https://codemirror.net/docs/ref/#state.EditorStateConfig.extensions).
     */
    readonly extensions: import("@angular/core").InputSignal<Extension[]>;
    /** Event emitted when the editor's value changes. */
    readonly change: import("@angular/core").OutputEmitterRef<string>;
    /** Event emitted when focus on the editor. */
    readonly focus: import("@angular/core").OutputEmitterRef<void>;
    /** Event emitted when the editor has lost focus. */
    readonly blur: import("@angular/core").OutputEmitterRef<void>;
    private _onChange;
    private _onTouched;
    /**
     * The instance of [EditorView](https://codemirror.net/docs/ref/#view.EditorView).
     */
    private view?;
    private _updateListener;
    private _editableConf;
    private _readonlyConf;
    private _themeConf;
    private _placeholderConf;
    private _indentWithTabConf;
    private _indentUnitConf;
    private _lineWrappingConf;
    private _highlightWhitespaceConf;
    private _languageConf;
    private _getAllExtensions;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnInit(): void;
    ngOnDestroy(): void;
    writeValue(value: string): void;
    registerOnChange(fn: (value: string) => void): void;
    registerOnTouched(fn: () => void): void;
    setDisabledState(isDisabled: boolean): void;
    /** Sets editor's value. */
    private setValue;
    /** Sets editor's editable state. */
    private setEditable;
    /** Sets editor's readonly state. */
    private setReadonly;
    /** Sets editor's theme. */
    private setTheme;
    /** Sets editor's placeholder. */
    private setPlaceholder;
    /** Sets editor' indentWithTab. */
    private setIndentWithTab;
    /** Sets editor's indentUnit. */
    private setIndentUnit;
    /** Sets editor's lineWrapping. */
    private setLineWrapping;
    /** Sets editor's highlightWhitespace. */
    private setHighlightWhitespace;
    /** Sets the root extensions of the editor. */
    private setExtensions;
    /** Sets editor's language dynamically. */
    private setLanguage;
    /** Find the language's extension by its name. Case-insensitive. */
    private _findLanguage;
    private _dispatchEffects;
    private addEventListeners;
    static ɵfac: i0.ɵɵFactoryDeclaration<CodeEditorComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<CodeEditorComponent, "ngx-code-editor, code-editor, [code-editor]", never, { "root": { "alias": "root"; "required": false; "isSignal": true; }; "autoFocus": { "alias": "autoFocus"; "required": false; "isSignal": true; }; "value": { "alias": "value"; "required": false; "isSignal": true; }; "disabled": { "alias": "disabled"; "required": false; }; "readonly": { "alias": "readonly"; "required": false; "isSignal": true; }; "theme": { "alias": "theme"; "required": false; "isSignal": true; }; "placeholder": { "alias": "placeholder"; "required": false; "isSignal": true; }; "indentWithTab": { "alias": "indentWithTab"; "required": false; "isSignal": true; }; "indentUnit": { "alias": "indentUnit"; "required": false; "isSignal": true; }; "lineWrapping": { "alias": "lineWrapping"; "required": false; "isSignal": true; }; "highlightWhitespace": { "alias": "highlightWhitespace"; "required": false; "isSignal": true; }; "languages": { "alias": "languages"; "required": false; "isSignal": true; }; "language": { "alias": "language"; "required": false; "isSignal": true; }; "setup": { "alias": "setup"; "required": false; "isSignal": true; }; "extensions": { "alias": "extensions"; "required": false; "isSignal": true; }; }, { "change": "change"; "focus": "focus"; "blur": "blur"; }, never, never, true, never>;
    static ngAcceptInputType_disabled: unknown;
}