export type JsonRecord = Record<string, unknown>;
export declare function isRecord(value: unknown): value is JsonRecord;
export declare function getArgs(args: unknown): JsonRecord;
export declare function readString(obj: JsonRecord, key: string, required: true): string;
export declare function readString(obj: JsonRecord, key: string, required?: false): string | undefined;
export declare function readStringOptional(obj: JsonRecord, key: string): string | undefined;
export declare function readNumber(obj: JsonRecord, key: string, required: true): number;
export declare function readNumber(obj: JsonRecord, key: string, required?: false): number | undefined;
export declare function readBoolean(obj: JsonRecord, key: string, required: true): boolean;
export declare function readBoolean(obj: JsonRecord, key: string, required?: false): boolean | undefined;
export declare function readRecord(obj: JsonRecord, key: string, required: true): JsonRecord;
export declare function readRecord(obj: JsonRecord, key: string, required?: false): JsonRecord | undefined;
export declare function readStringArray(obj: JsonRecord, key: string, required: true): string[];
export declare function readStringArray(obj: JsonRecord, key: string, required?: false): string[] | undefined;
export declare function readArray(obj: JsonRecord, key: string, required: true): unknown[];
export declare function readArray(obj: JsonRecord, key: string, required?: false): unknown[] | undefined;
export declare function parseBigIntInput(value: unknown, fieldName: string): bigint;
export declare function parseBuffer(value: unknown, fieldName: string): Buffer;
export declare function parseChainParam(obj: JsonRecord): {
    chainType?: 'solana' | 'evm';
    chainPrefix?: string;
    chainId?: string;
};
export declare function parsePagination(obj: JsonRecord, defaults?: {
    limit?: number;
    offset?: number;
}): {
    limit: number;
    offset: number;
};
export declare function readStringBounded(obj: JsonRecord, key: string, required: true, maxLength?: number): string;
export declare function readStringBounded(obj: JsonRecord, key: string, required?: false, maxLength?: number): string | undefined;
export declare function readArrayBounded(obj: JsonRecord, key: string, required?: boolean, maxSize?: number): unknown[] | undefined;
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