/**
 * Measurement invocation for a single block — dispatches between plain/rich
 * text runs and the `mathDisplay` bypass path that skips text layout entirely.
 */
import type { ContentBlock } from '../parse/index.js';
import type { Resource, ResourceType } from '../types.js';
import type { ResolvedConfig, VDTBlock, ResolvedResourceBlock, VDTFigureLabel } from '../vdt.js';
import type { BlockStyle } from './styles.js';
import type { MeasuredBlock, MeasurementCache } from '../measure/index.js';
import { measureBlock } from '../measure/index.js';
import { renderMath } from '../math/index.js';
import { type TableRowMetrics, type TableSliceSpec } from './resourceLayout.js';
import type { ResourceNumberingMap } from './resourceNumbering.js';
import type { CaptionCitations } from './citations.js';
export interface MeasurementInput {
    vdtType: VDTBlock['type'];
    /** Offset of the Markdown body in the chapter file: a figure's labels
     *  carry absolute offsets (#857). */
    bodyOffset?: number;
    rawBlock: ContentBlock;
    contentBlock: ContentBlock;
    style: BlockStyle;
    measureMaxWidth: number;
    measureOptions: Parameters<typeof measureBlock>[4];
    mathEnabled: boolean;
    useRich: boolean;
    cache?: MeasurementCache;
    /** Resolved config — needed to lay out resource blocks. */
    resolved?: ResolvedConfig;
    /** All known resources — drives inline `:ref` resolution in captions. */
    resources?: Resource[];
    /** All resource types. */
    resourceTypes?: ResourceType[];
    /** Computed resource numbering map. */
    resourceNumbering?: ResourceNumberingMap;
    /** The formatted citations of resource captions and notes (#529). */
    captionCitations?: ReadonlyMap<string, CaptionCitations>;
    /** For `resource` blocks: the resolved resource, its type, and number. */
    resource?: Resource;
    resourceType?: ResourceType;
    resourceNumber?: string;
    /** Widest the figure's image may be set (`ResourceLayoutInput.maxBodyWidth`). */
    maxBodyWidth?: number;
    /** Px a picture with a safe area is set taller (or shorter)
     *  (`ResourceLayoutInput.bodyHeightDelta`). */
    bodyHeightDelta?: number;
    /** A resource on a vertical page: set upright (`ResourceLayoutInput.upright`). */
    upright?: {
        maxLength: number;
    };
    /** An inline resource whose caption goes to the side column (#729,
     *  `ResourceLayoutInput.captionAside`). */
    captionAside?: {
        dx: number;
        width: number;
        alignBottom: boolean;
    };
    /** A table: lay out only these rows (`ResourceLayoutInput.slice`, an
     *  inline table split across columns, #634). */
    tableSlice?: TableSliceSpec;
}
export interface MeasurementResult {
    measured: MeasuredBlock;
    mathDisplayRender?: ReturnType<typeof renderMath>;
    /** Present for `resource` blocks: the resolved, measured resource embed. */
    resourceBlock?: ResolvedResourceBlock;
    /** A table laid out in full: its row metrics, for slice planning. */
    tableRows?: TableRowMetrics;
    /** Height of the caption band set beside the body (`captionAside`). */
    asideHeight?: number;
}
/** The labels of a `:::figure` block (#854) as the VDT carries them
 *  (`ResolvedResourceBlock.labels`), their offsets absolute in the
 *  chapter file (`bodyOffset` added), with their stable id, their anchor
 *  and the source of each character (#857); undefined when it has none. */
export declare function figureLabels(block: Pick<ContentBlock, 'figure'>, bodyOffset?: number): VDTFigureLabel[] | undefined;
export declare function runMeasurement(input: MeasurementInput): MeasurementResult;
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