import type { LiquidLine } from './environment';
import type { LiquidTagEnvelope } from './document/factories';
/**
 * Construct a LiquidTagEnvelope from a {% liquid %} line.
 * Unlike envelopeFromTokens, liquid lines have no physical delimiters,
 * so whitespace is always '' and blockStartPosition spans the full statement.
 */
export declare function envelopeFromLine(line: LiquidLine, source: string): LiquidTagEnvelope;