| 1 | export interface ItemsRangeResult {
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| 2 | scrollHeight: number;
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| 3 | topPadding: number;
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| 4 | start: number;
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| 5 | end: number;
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| 6 | }
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| 7 | export interface PanelDimensions {
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| 8 | itemHeight: number;
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| 9 | panelHeight: number;
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| 10 | itemsPerViewport: number;
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| 11 | }
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| 12 | export declare class NgDropdownPanelService {
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| 13 | private _dimensions;
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| 14 | get dimensions(): PanelDimensions;
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| 15 | calculateItems(scrollPos: number, itemsLength: number, buffer: number): ItemsRangeResult;
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| 16 | setDimensions(itemHeight: number, panelHeight: number): void;
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| 17 | getScrollTo(itemTop: number, itemHeight: number, lastScroll: number): number;
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| 18 | }
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