import { Ast } from './parser.js';
import { EvalContext } from './context.js';
import { Shift } from './eval.js';
export type { EvalContext } from './context.js';
export type { Shift } from './eval.js';
export type { Scalar, FValue, Rect, FErr } from './value.js';
export { num, str, bool, err, BLANK } from './value.js';
export { serialFromDate, serialToParts, timePeriodMatches } from './dates.js';
export { NO_SHIFT, evaluate } from './eval.js';
/**
 * A parsed formula, ready to evaluate against many cells (the AST is compiled once
 * per conditional-format rule, then evaluated per covered cell with a per-cell
 * shift).
 */
export interface CompiledFormula {
    readonly ast: Ast;
}
/**
 * Parse a formula string into a {@link CompiledFormula}. Returns undefined (rather
 * than throwing) when the formula cannot be parsed — the caller treats that as a
 * rule that never applies, which is the correct graceful-loss behaviour for an
 * unsupported construct.
 */
export declare function compileFormula(src: string): CompiledFormula | undefined;
/**
 * Evaluate a compiled formula in a cell context and reduce it to the rule's truth
 * test: the conditional format applies iff the result is the logical TRUE or a
 * non-zero number (Excel §18.3.1.10). Any error / blank / text / zero — and a
 * multi-cell result — yields false, so the rule simply does not paint.
 *
 * @param compiled The compiled formula from {@link compileFormula}.
 * @param ctx      The evaluation context (cached grid values + reference date).
 * @param shift    The per-cell relative-reference shift; defaults to {@link NO_SHIFT}.
 */
export declare function evaluateToBool(compiled: CompiledFormula, ctx: EvalContext, shift?: Shift): boolean;