import type { ClassTable, MorxContextualSubtable, MorxInsertionSubtable, MorxLigatureSubtable, MorxRearrangementSubtable } from "../font/tables/morx.ts";
import type { GlyphId, GlyphInfo } from "../types.ts";
/**
 * State machine driver for AAT processing
 */
export interface StateMachineContext {
    /** Current position in buffer */
    pos: number;
    /** Mark position (for some operations) */
    mark: number;
    /** Glyph stack for ligatures */
    stack: number[];
}
/**
 * Get the class value for a glyph from the class table
 * @param classTable - The class lookup table
 * @param glyphId - The glyph ID to look up
 * @returns The class value, or CLASS_OUT_OF_BOUNDS if the glyph is not in the table
 */
export declare function getGlyphClass(classTable: ClassTable, glyphId: GlyphId): number;
/**
 * Process rearrangement subtable to reorder glyphs based on state machine rules
 * @param subtable - The rearrangement subtable containing state machine and rules
 * @param infos - Array of glyph infos to be reordered in place
 */
export declare function processRearrangement(subtable: MorxRearrangementSubtable, infos: GlyphInfo[]): void;
/**
 * Process contextual substitution subtable to replace glyphs based on context
 * @param subtable - The contextual subtable containing state machine and substitution tables
 * @param infos - Array of glyph infos to be modified in place with contextual substitutions
 */
export declare function processContextual(subtable: MorxContextualSubtable, infos: GlyphInfo[]): void;
/**
 * Process ligature subtable to combine multiple glyphs into ligatures
 * @param subtable - The ligature subtable containing state machine, actions, and component tables
 * @param infos - Array of glyph infos to process
 * @returns New array of glyph infos with ligatures applied and component glyphs removed
 */
export declare function processLigature(subtable: MorxLigatureSubtable, infos: GlyphInfo[]): GlyphInfo[];
/**
 * Process insertion subtable to insert additional glyphs before or after existing glyphs
 * @param subtable - The insertion subtable containing state machine and insertion glyph table
 * @param infos - Array of glyph infos to process
 * @returns New array of glyph infos with inserted glyphs added at specified positions
 */
export declare function processInsertion(subtable: MorxInsertionSubtable, infos: GlyphInfo[]): GlyphInfo[];