import { type AfterViewChecked, EventEmitter, type OnChanges, type SimpleChanges } from "@angular/core";
import { type OptionsGridPlan, type SuggestionOption } from "@magicx-eng/ai-autocomplete-vanilla";
import * as i0 from "@angular/core";
/**
 * Internal grid of suggestion options. Mirrors
 * `packages/react/src/components/SuggestionGrid.tsx` — a thin wrapper over the
 * `Grid` layout primitive (which owns the auto-fit columns and the
 * capped-height scroll). It only wires each option to its
 * select/highlight handlers and listbox-scoped id.
 *
 * @internal
 */
export declare class SuggestionGridComponent implements OnChanges, AfterViewChecked {
    options: SuggestionOption[];
    activeIndex: number;
    listboxId: string;
    loading: boolean;
    /**
     * Identity of the suggestion these options belong to. When it changes the
     * grid scrolls back to the top, so the next parameter's options are read
     * from the first one instead of from the previous list's scroll offset.
     */
    groupKey: string;
    /**
     * Which side of the input the dropdown opens on. The rows' entrance starts
     * from the input's side outward, so "above" reverses the order.
     */
    optionsPosition: "above" | "below";
    /** Whether rows draw their `icon_svg` before the text. Default: true. */
    showIcons: boolean;
    /** Whether rows draw their `image_url` as a thumbnail before the text. Default: true. */
    showImages: boolean;
    /** Whether rows show their `item_count` at the trailing edge. Default: true. */
    showCounts: boolean;
    readonly select: EventEmitter<SuggestionOption>;
    readonly highlight: EventEmitter<number>;
    /** The pointer left option `index` — the dropdown clears a highlight still on it. */
    readonly unhighlight: EventEmitter<number>;
    private readonly cdr;
    private gridComp?;
    /**
     * The measured layout plan. Starts as the measurement-free baseline (one
     * column); after each view update the rendered rows are measured and the
     * plan upgrades to two columns when they provably fit — same two-pass the
     * React grid does with its layout effect, all through `planOptionsGrid`.
     */
    plan: OptionsGridPlan;
    private needsMeasure;
    /**
     * The rows the current plan was measured from. A skeleton mirroring them
     * keeps that plan — see `sameOptionRows`.
     */
    private measuredRows;
    onResize(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngAfterViewChecked(): void;
    isScrollHint(index: number): boolean;
    /**
     * Start delay of row `index`'s entrance — each row rises in a beat after
     * the one nearer the input. Skeleton rows fade in together (they're
     * placeholders, not content arriving).
     */
    enterDelayMs(index: number): number;
    /**
     * The group is part of the identity: a new suggestion's options are new
     * rows and get the entrance animation even when one spells the same as a
     * row already on screen.
     */
    trackByOptionText: (_: number, opt: SuggestionOption) => string;
    static ɵfac: i0.ɵɵFactoryDeclaration<SuggestionGridComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SuggestionGridComponent, "aia-suggestion-grid", never, { "options": "options"; "activeIndex": "activeIndex"; "listboxId": "listboxId"; "loading": "loading"; "groupKey": "groupKey"; "optionsPosition": "optionsPosition"; "showIcons": "showIcons"; "showImages": "showImages"; "showCounts": "showCounts"; }, { "select": "select"; "highlight": "highlight"; "unhighlight": "unhighlight"; }, never, never, true, never>;
}
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