import { RequestParameter } from '../transport/types.js';
/**
 * Options for parameter serialization.
 */
export type SerializationOptions = {
    /** Whether to use exploded parameter format */
    explode: boolean;
    /** The serialization style to use */
    style: SerializationStyle;
    /** Whether to URL-encode the parameter */
    encode: boolean;
};
/**
 * OpenAPI parameter serialization styles.
 * Defines how parameters should be formatted in the request.
 */
export declare enum SerializationStyle {
    /** Simple comma-separated values (e.g., "3,4,5") */
    SIMPLE = "simple",
    /** Label prefix with dot notation (e.g., ".3.4.5") */
    LABEL = "label",
    /** Matrix semicolon-prefixed (e.g., ";id=3;id=4") */
    MATRIX = "matrix",
    /** Form-style ampersand-separated (e.g., "id=3&id=4") */
    FORM = "form",
    /** Space-delimited values (e.g., "id=3 4 5") */
    SPACE_DELIMITED = "space_delimited",
    /** Pipe-delimited values (e.g., "id=3|4|5") */
    PIPE_DELIMITED = "pipe_delimited",
    /** Deep object notation (e.g., "id[role]=admin") */
    DEEP_OBJECT = "deep_object",
    /** No specific style applied */
    NONE = "none"
}
/**
 * Base serializer class for converting request parameters to string format.
 * Supports multiple OpenAPI serialization styles for primitives, arrays, and objects.
 */
export declare class Serializer {
    /**
     * Serializes a parameter value based on its type and serialization style.
     * @param param - The request parameter to serialize
     * @returns The serialized string representation
     */
    protected serializeValue(param: RequestParameter): string;
    /**
     * Serializes a primitive value (string, number, boolean).
     * @param param - The request parameter containing the primitive value
     * @returns The serialized primitive string
     */
    private serializePrimitive;
    /**
     * Serializes an array value according to the specified style.
     * @param value - The array to serialize
     * @param param - The request parameter configuration
     * @returns The serialized array string
     */
    private serializeArray;
    /**
     * Serializes an array in exploded format where each value is a separate parameter.
     * @param value - The array to serialize
     * @param param - The request parameter configuration
     * @returns The serialized exploded array string
     */
    private serializeArrayExploded;
    /**
     * Serializes an object value according to the specified style.
     * @param obj - The object to serialize
     * @param param - The request parameter configuration
     * @returns The serialized object string
     */
    private serializeObject;
    /**
     * Type guard to check if a value is a non-null object.
     * @param value - The value to check
     * @returns True if the value is an object and not null
     */
    private isNonNullObject;
}
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