import { Effect, EffectTarget } from "../core/schema";
export declare const RULE_TRIGGER_TYPE_OPTIONS: readonly ["immediate", "event", "interact", "collisionEnter", "entityInRange", "timeElapsed", "die", "primaryAction", "secondaryAction", "time", "interval", "proximity"];
export type RuleTriggerType = typeof RULE_TRIGGER_TYPE_OPTIONS[number];
export type RuleContextValueName = "self" | "other" | "user";
export type RuleContextAvailability = "guaranteed" | "optional" | "unavailable";
export type TriggerContextContract = {
    trigger: RuleTriggerType;
    description: string;
    context: Record<RuleContextValueName, RuleContextAvailability>;
};
export type RuleTargetValidationIssue = {
    trigger: RuleTriggerType;
    target: EffectTarget;
    path: string;
    reason: "target_unavailable_for_trigger";
    message: string;
};
export type RuntimeRuleContext = {
    self: number;
    other?: number;
    user?: number;
};
export type RuntimeTargetAssertion = {
    valid: true;
    target: EffectTarget;
    contextKey: RuleContextValueName;
} | {
    valid: false;
    target: EffectTarget;
    contextKey: RuleContextValueName;
    reason: "target_unavailable_for_trigger" | "missing_context_value";
    message: string;
};
export declare const RULE_TRIGGER_CONTEXT_CONTRACTS: Record<RuleTriggerType, TriggerContextContract>;
export declare function getTargetContextKey(target: EffectTarget | string | undefined): RuleContextValueName;
export declare function validateRuleTargetsForTrigger(triggerType: RuleTriggerType, effects: Effect[] | undefined, pathPrefix: string): RuleTargetValidationIssue[];
export declare function assertRuleEffectTargetAtRuntime(triggerType: RuleTriggerType, effect: Effect, context: RuntimeRuleContext): RuntimeTargetAssertion;
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