import { Signal } from '@angular/core';
import { GridColumn } from '../gridColumn';
import type { GridContainerTemplateDirective } from '../../directives/gridContainerTemplate/gridContainerTemplate.directive';
import type { ContentContainerTemplateDirective } from '../../directives/contentContainerTemplate/contentContainerTemplate.directive';
import type { HeaderContainerTemplateDirective } from '../../directives/headerContainerTemplate/headerContainerTemplate.directive';
import type { FooterContainerTemplateDirective } from '../../directives/footerContainerTemplate/footerContainerTemplate.directive';
import type { HeaderRowContainerTemplateDirective } from '../../directives/headerRowContainerTemplate/headerRowContainerTemplate.directive';
import type { ContentRowContainerTemplateDirective } from '../../directives/contentRowContainerTemplate/contentRowContainerTemplate.directive';
import type { FooterRowContainerTemplateDirective } from '../../directives/footerRowContainerTemplate/footerRowContainerTemplate.directive';
/**
 * Base grid metadata interface
 */
export interface GridMetadata {
}
/**
 * Gatherer used for gathering metadata for grid
 */
export interface MetadataGatherer<TMetadata extends GridMetadata = GridMetadata> {
    /**
     * Information that metadata for grid has changed
     */
    readonly metadata: Signal<TMetadata>;
}
/**
 * Table grid metadata, contains columns
 */
export interface TableGridMetadata<TColumn extends GridColumn = GridColumn> extends GridMetadata {
    /**
     * Array of columns gathered
     */
    columns: TColumn[];
}
/**
 * Matrix grid metadata, contains templates for each rendered element
 */
export interface MatrixGridMetadata<TColumn extends GridColumn = GridColumn> extends TableGridMetadata<TColumn> {
    /**
     * Template for grid container, with metadata
     */
    gridContainer: GridContainerTemplateDirective | GridContainerTemplateDirective[] | undefined | null;
    /**
     * Template for grid header, with metadata
     */
    headerContainer: HeaderContainerTemplateDirective | undefined | null;
    /**
     * Template for grid content (body), with metadata
     */
    contentContainer: ContentContainerTemplateDirective | undefined | null;
    /**
     * Template for grid footer, with metadata
     */
    footerContainer: FooterContainerTemplateDirective | undefined | null;
    /**
     * Templates for header rows, with metadata
     */
    headerRowContainer: HeaderRowContainerTemplateDirective[] | undefined | null;
    /**
     * Templates for content rows (each data row can be rendered as multiple rows), with metadata
     */
    contentRowContainer: ContentRowContainerTemplateDirective[] | undefined | null;
    /**
     * Templates for footer rows, with metadata
     */
    footerRowContainer: FooterRowContainerTemplateDirective[] | undefined | null;
}
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