/**
 * @file Slot Consumer Interface
 * @description Interface for slot consumption strategies (ADR-088)
 */
import { SlotType, SlotMatch, CompiledPattern, GrammarContext, SlotConstraint, PatternToken } from '@sharpee/if-domain';
import { Token } from '@sharpee/if-domain';
/**
 * Context passed to slot consumers containing all information needed for consumption
 */
export interface SlotConsumerContext {
    /** The slot name from the pattern */
    slotName: string;
    /** All tokens in the input */
    tokens: Token[];
    /** Index of the token to start consuming from */
    startIndex: number;
    /** The compiled pattern being matched */
    pattern: CompiledPattern;
    /** Index of this slot in the pattern tokens */
    slotTokenIndex: number;
    /** The grammar rule being matched */
    rule: {
        slots: Map<string, SlotConstraint>;
        [key: string]: any;
    };
    /** Grammar context with world, actor, location */
    context: GrammarContext;
    /** The slot type being consumed */
    slotType: SlotType;
    /** Constraints for this slot */
    slotConstraints?: SlotConstraint;
    /** The pattern token for this slot */
    patternToken?: PatternToken;
    /** Debug mode flag */
    DEBUG?: boolean;
}
/**
 * Interface for slot consumption strategies
 * Each consumer handles one or more slot types
 */
export interface SlotConsumer {
    /**
     * The slot types this consumer can handle
     */
    readonly slotTypes: SlotType[];
    /**
     * Attempt to consume tokens for this slot
     * @param ctx The consumption context
     * @returns SlotMatch if successful, null if no match
     */
    consume(ctx: SlotConsumerContext): SlotMatch | null;
}
/**
 * Helper to get the next pattern token after the current slot
 */
export declare function getNextPatternToken(ctx: SlotConsumerContext): PatternToken | undefined;
/**
 * Helper to check if a token matches a pattern delimiter
 */
export declare function isPatternDelimiter(token: Token, nextPatternToken: PatternToken | undefined): boolean;
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