import { AfterViewInit, ChangeDetectorRef, ElementRef, EventEmitter, OnChanges, SimpleChanges } from '@angular/core';
import * as i0 from "@angular/core";
export interface MixedSegment {
    type: 'text' | 'variable';
    value: string;
}
export interface MixedVariableValidity {
    valid: boolean;
    error: string | null;
}
export declare class MixedVariableInputComponent implements OnChanges, AfterViewInit {
    private cdr;
    private hostRef;
    value: string;
    placeholder: string;
    disabled: boolean;
    valueChange: EventEmitter<string>;
    validityChange: EventEmitter<MixedVariableValidity>;
    editorRef: ElementRef<HTMLDivElement>;
    showSuggestion: boolean;
    pendingWord: string;
    canAddAsVariable: boolean;
    errorMessage: string | null;
    private selectionRange;
    private selectionMode;
    private lastEmitted;
    private lastValid;
    constructor(cdr: ChangeDetectorRef, hostRef: ElementRef<HTMLElement>);
    ngOnChanges(changes: SimpleChanges): void;
    ngAfterViewInit(): void;
    onInput(): void;
    onEditorFocus(): void;
    onEditorBlur(): void;
    onKeyDown(event: KeyboardEvent): void;
    onPaste(event: ClipboardEvent): void;
    onDrop(event: DragEvent): void;
    onDragStart(event: DragEvent): void;
    onDocumentMouseDown(event: MouseEvent): void;
    onDocumentSelectionChange(): void;
    addAsText(): void;
    addAsVariable(): void;
    private emitValue;
    private validate;
    private findValidationError;
    private refreshSuggestion;
    private hideSuggestion;
    private normalizeCandidate;
    private flattenStructure;
    private sanitizeChips;
    private autoChipify;
    private collectDescendantTextNodes;
    private render;
    private serialize;
    private buildChip;
    private getSelectionRange;
    private getSelectedInfo;
    private rangeCrossesChip;
    private getNodeBeforeCaret;
    private getCurrentWord;
    private insertChipReplacingRange;
    private insertChipReplacingCurrentWord;
    private stripBracesAround;
    private insertPlainTextAtCaret;
    private placeCaretAfter;
    private placeCaretAtEnd;
    static ɵfac: i0.ɵɵFactoryDeclaration<MixedVariableInputComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<MixedVariableInputComponent, "cqa-mixed-variable-input", never, { "value": "value"; "placeholder": "placeholder"; "disabled": "disabled"; }, { "valueChange": "valueChange"; "validityChange": "validityChange"; }, never, never>;
}