import type { EditOptions, PlusMinusOptions } from '../../AdaptableOptions/EditOptions';
import type { PlusMinusNudge } from '../../AdaptableState/PlusMinusState';
/**
 * Minimal shape required to match a key press against a Plus/Minus trigger.
 * Compatible with the native `KeyboardEvent`.
 */
export type PlusMinusKeyEvent = {
    key: string;
    metaKey?: boolean;
    altKey?: boolean;
    ctrlKey?: boolean;
    shiftKey?: boolean;
};
/**
 * Resolve increment/decrement trigger strings for a single nudge.
 * Per-nudge fields win; otherwise {@link PlusMinusOptions}; otherwise `+` / `-`.
 */
export declare function resolvePlusMinusTriggerKeysForNudge(nudge: Pick<PlusMinusNudge, 'IncrementKey' | 'DecrementKey'>, globalOptions: Readonly<EditOptions['plusMinusOptions']> | undefined): {
    incrementKey: string;
    decrementKey: string;
};
/** True when resolved increment and decrement would match the same key press. */
export declare function plusMinusResolvedKeysConflict(nudge: Pick<PlusMinusNudge, 'IncrementKey' | 'DecrementKey'>, globalOptions: Readonly<EditOptions['plusMinusOptions']> | undefined): boolean;
/**
 * Match a pressed key (with its modifier state) against a configured trigger.
 * Single-character triggers (including the defaults `+` / `-`) are compared
 * case-insensitively against the pressed key. Multi-character triggers are
 * parsed as keyboard shortcut combinations (e.g. `shift+Enter`) and delegated
 * to {@link eventMatchesKeyboardShortcut}.
 */
export declare function plusMinusEventMatchesTrigger(event: PlusMinusKeyEvent, configuredKey: string): boolean;
/** Increment key from `AdaptableOptions.plusMinusOptions` only, then built-in `+`. */
export declare function plusMinusIncrementKeyFromOptionsOnly(globalOptions: Readonly<PlusMinusOptions> | undefined): string;
/** Decrement key from `AdaptableOptions.plusMinusOptions` only, then built-in `-`. */
export declare function plusMinusDecrementKeyFromOptionsOnly(globalOptions: Readonly<PlusMinusOptions> | undefined): string;
/**
 * Canonical, comparable form of a trigger so equivalent descriptors compare
 * equal regardless of case or modifier ordering (e.g. `Shift+Enter` and
 * `shift+enter` normalise to the same value). Single characters are lowercased.
 */
export declare function normalizePlusMinusTrigger(trigger: string | undefined): string;
/**
 * True when `candidate` is the same trigger as `baseline` for “no nudge override
 * to persist” (normalised comparison, see {@link normalizePlusMinusTrigger}).
 */
export declare function plusMinusTriggerSameAsBaseline(candidate: string, baseline: string): boolean;
/** Result of interpreting a key press inside a "record shortcut" UI. */
export type PlusMinusCaptureResult = {
    kind: 'pending';
    modifiers: string[];
} | {
    kind: 'invalid';
    reason: string;
} | {
    kind: 'captured';
    trigger: string;
};
/**
 * Interpret a key press (from a "record shortcut" UI, à la VS Code) into a
 * Plus/Minus trigger:
 * - `pending`: only modifier keys are held so far (waiting for a real key).
 * - `captured`: a complete, representable trigger — a single literal character
 *   (such as the default `+`), a named key (e.g. `Enter`), or a modifier
 *   combination (e.g. `shift+Enter`).
 * - `invalid`: the press cannot be represented as a trigger (e.g. a `+`
 *   character combined with modifiers, since `+` is the glue between parts).
 */
export declare function capturePlusMinusTriggerFromEvent(event: PlusMinusKeyEvent): PlusMinusCaptureResult;
/** Human-friendly label for a single trigger token (a modifier or a key). */
export declare function plusMinusKeyLabel(token: string): string;
/**
 * Split a stored trigger into human-friendly key tokens for kbd-style display
 * (e.g. `shift+Enter` -> `['Shift', 'Enter']`, `+` -> `['+']`).
 */
export declare function plusMinusTriggerDisplayParts(trigger: string): string[];
/**
 * Precomputed keys for fast keydown filtering. Stores the lowercased
 * non-modifier key of each trigger (the default `+` / `-`, a literal single
 * char, or the key part of a combination such as `enter` for `shift+Enter`),
 * so a pressed `event.key` can be cheaply rejected before running nudge rules.
 */
export type PlusMinusTriggerKeyLookup = {
    /** Lowercased non-modifier keys that could trigger a nudge. */
    effectiveKeysLower: Set<string>;
    /** True when a trigger uses the `*` wildcard, so any key could match. */
    matchAnyKey: boolean;
};
/** Build a lookup of all increment/decrement keys across active nudges (resolved). */
export declare function buildPlusMinusTriggerKeyLookup(nudges: PlusMinusNudge[], globalOptions: Readonly<PlusMinusOptions> | undefined): PlusMinusTriggerKeyLookup;
/**
 * O(1) check: whether this pressed key could match any configured Plus Minus trigger.
 * When false, skip fetching cells / running nudge rules.
 */
export declare function plusMinusKeyCouldTrigger(keyEventString: string, lookup: PlusMinusTriggerKeyLookup): boolean;